diff --git a/.travis.yml b/.travis.yml
index ebb7162fb..746f430ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ python:
     - "2.7"
     - "2.6"
 install:
-    - pip install . --use-mirrors
-    - pip install pylast flask --use-mirrors
+    - travis_retry pip install . --use-mirrors
+    - travis_retry pip install pylast flask --use-mirrors
     - "if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install unittest2 --use-mirrors; fi"
 script: nosetests
 branches:
diff --git a/beets/__init__.py b/beets/__init__.py
index ebc3eedcd..151b46994 100644
--- a/beets/__init__.py
+++ b/beets/__init__.py
@@ -20,4 +20,4 @@ from beets.util import confit
 
 Library = beets.library.Library
 
-config = confit.Configuration('beets', __name__, False)
+config = confit.LazyConfig('beets', __name__)
diff --git a/beets/library.py b/beets/library.py
index 54b2c68e4..8a1687914 100644
--- a/beets/library.py
+++ b/beets/library.py
@@ -196,12 +196,12 @@ def format_for_path(value, key=None, pathmod=None):
     pathmod = pathmod or os.path
 
     if isinstance(value, basestring):
+        if isinstance(value, str):
+            value = value.decode('utf8', 'ignore')
+        sep_repl = beets.config['path_sep_replace'].get(unicode)
         for sep in (pathmod.sep, pathmod.altsep):
             if sep:
-                value = value.replace(
-                    sep,
-                    beets.config['path_sep_replace'].get(unicode),
-                )
+                value = value.replace(sep, sep_repl)
     elif key in ('track', 'tracktotal', 'disc', 'disctotal'):
         # Pad indices with zeros.
         value = u'%02i' % (value or 0)
@@ -1113,8 +1113,6 @@ class Library(BaseLibrary):
                        directory='~/Music',
                        path_formats=((PF_KEY_DEFAULT,
                                       '$artist/$album/$track $title'),),
-                       art_filename='cover',
-                       timeout=5.0,
                        replacements=None,
                        item_fields=ITEM_FIELDS,
                        album_fields=ALBUM_FIELDS):
@@ -1124,12 +1122,10 @@ class Library(BaseLibrary):
             self.path = bytestring_path(normpath(path))
         self.directory = bytestring_path(normpath(directory))
         self.path_formats = path_formats
-        self.art_filename = art_filename
         self.replacements = replacements
 
         self._memotable = {}  # Used for template substitution performance.
 
-        self.timeout = timeout
         self._connections = {}
         self._tx_stacks = defaultdict(list)
         # A lock to protect the _connections and _tx_stacks maps, which
@@ -1210,7 +1206,10 @@ class Library(BaseLibrary):
                 return self._connections[thread_id]
             else:
                 # Make a new connection.
-                conn = sqlite3.connect(self.path, timeout=self.timeout)
+                conn = sqlite3.connect(
+                    self.path,
+                    timeout=beets.config['timeout'].as_number(),
+                )
 
                 # Access SELECT results like dictionaries.
                 conn.row_factory = sqlite3.Row
@@ -1703,12 +1702,10 @@ class Album(BaseAlbum):
         image = bytestring_path(image)
         item_dir = item_dir or self.item_dir()
 
-        if not isinstance(self._library.art_filename,Template):
-            self._library.art_filename = Template(self._library.art_filename)
-
-        subpath = util.sanitize_path(format_for_path(
-            self.evaluate_template(self._library.art_filename)
-        ))
+        filename_tmpl = Template(beets.config['art_filename'].get(unicode))
+        subpath = format_for_path(self.evaluate_template(filename_tmpl))
+        subpath = util.sanitize_path(subpath,
+                                     replacements=self._library.replacements)
         subpath = bytestring_path(subpath)
 
         _, ext = os.path.splitext(image)
@@ -1754,6 +1751,10 @@ class Album(BaseAlbum):
         mapping['artpath'] = displayable_path(mapping['artpath'])
         mapping['path'] = displayable_path(self.item_dir())
 
+        # Get values from plugins.
+        for key, value in plugins.template_values(self).iteritems():
+            mapping[key] = value
+
         # Get template functions.
         funcs = DefaultTemplateFunctions().functions()
         funcs.update(plugins.template_funcs())
diff --git a/beets/ui/__init__.py b/beets/ui/__init__.py
index 9e92ce4a4..9dd568689 100644
--- a/beets/ui/__init__.py
+++ b/beets/ui/__init__.py
@@ -689,18 +689,13 @@ class SubcommandsOptionParser(optparse.OptionParser):
 
 # The root parser and its main function.
 
-def _raw_main(args, load_config=True):
+def _raw_main(args):
     """A helper function for `main` without top-level exception
     handling.
     """
-    # Load global configuration files.
-    if load_config:
-        config.read()
-
     # Temporary: Migrate from 1.0-style configuration.
     from beets.ui import migrate
-    if load_config:
-        migrate.automigrate()
+    migrate.automigrate()
 
     # Get the default subcommands.
     from beets.ui.commands import default_commands
@@ -734,8 +729,6 @@ def _raw_main(args, load_config=True):
             dbpath,
             config['directory'].as_filename(),
             get_path_formats(),
-            Template(config['art_filename'].get(unicode)),
-            config['timeout'].as_number(),
             get_replacements(),
         )
     except sqlite3.OperationalError:
diff --git a/beets/ui/commands.py b/beets/ui/commands.py
index c679a4cd2..e4222b631 100644
--- a/beets/ui/commands.py
+++ b/beets/ui/commands.py
@@ -91,12 +91,21 @@ def _showdiff(field, oldval, newval):
 
 fields_cmd = ui.Subcommand('fields',
     help='show fields available for queries and format strings')
+
 def fields_func(lib, opts, args):
-    print("Available item fields:")
+    print("Item fields:")
     print("  " + "\n  ".join([key for key in library.ITEM_KEYS]))
-    print("\nAvailable album fields:")
+
+    print("\nAlbum fields:")
     print("  " + "\n  ".join([key for key in library.ALBUM_KEYS]))
 
+    plugin_fields = []
+    for plugin in plugins.find_plugins():
+        plugin_fields += plugin.template_fields.keys()
+    if plugin_fields:
+        print("\nTemplate fields from plugins:")
+        print("  " + "\n  ".join(plugin_fields))
+
 fields_cmd.func = fields_func
 default_commands.append(fields_cmd)
 
diff --git a/beets/util/__init__.py b/beets/util/__init__.py
index cb1c12eaf..d94b14e22 100644
--- a/beets/util/__init__.py
+++ b/beets/util/__init__.py
@@ -468,14 +468,11 @@ def sanitize_path(path, pathmod=None, replacements=None):
     reliably on Windows when a path begins with a drive letter. Path
     separators (including altsep!) should already be cleaned from the
     path components. If replacements is specified, it is used *instead*
-    of the default set of replacements for the platform; it must be a
-    list of (compiled regex, replacement string) pairs.
+    of the default set of replacements; it must be a list of (compiled
+    regex, replacement string) pairs.
     """
     pathmod = pathmod or os.path
-
-    # Choose the appropriate replacements.
-    if not replacements:
-        replacements = list(CHAR_REPLACE)
+    replacements = replacements or CHAR_REPLACE
 
     comps = components(path, pathmod)
     if not comps:
diff --git a/beets/util/confit.py b/beets/util/confit.py
index b7af4ea40..6499f146d 100644
--- a/beets/util/confit.py
+++ b/beets/util/confit.py
@@ -677,3 +677,40 @@ class Configuration(RootView):
         if not os.path.isdir(appdir):
             os.makedirs(appdir)
         return appdir
+
+class LazyConfig(Configuration):
+    """A Configuration at reads files on demand when it is first
+    accessed. This is appropriate for using as a global config object at
+    the module level.
+    """
+    def __init__(self, appname, modname=None):
+        super(LazyConfig, self).__init__(appname, modname, False)
+        self._materialized = False  # Have we read the files yet?
+        self._lazy_prefix = []  # Pre-materialization calls to set().
+        self._lazy_suffix = []  # Calls to add().
+
+    def read(self, user=True, defaults=True):
+        self._materialized = True
+        super(LazyConfig, self).read(user, defaults)
+
+    def resolve(self):
+        if not self._materialized:
+            # Read files and unspool buffers.
+            self.read()
+            self.sources += self._lazy_suffix
+            self.sources[:0] = self._lazy_prefix
+        return super(LazyConfig, self).resolve()
+
+    def add(self, value):
+        super(LazyConfig, self).add(value)
+        if not self._materialized:
+            # Buffer additions to end.
+            self._lazy_suffix += self.sources
+            del self.sources[:]
+
+    def set(self, value):
+        super(LazyConfig, self).set(value)
+        if not self._materialized:
+            # Buffer additions to beginning.
+            self._lazy_prefix[:0] = self.sources
+            del self.sources[:]
diff --git a/beetsplug/duplicates.py b/beetsplug/duplicates.py
new file mode 100644
index 000000000..34f1ec846
--- /dev/null
+++ b/beetsplug/duplicates.py
@@ -0,0 +1,110 @@
+# This file is part of beets.
+# Copyright 2013, Pedro Silva.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+
+"""List duplicate tracks or albums.
+"""
+import logging
+
+from beets.plugins import BeetsPlugin
+from beets.ui import decargs, print_obj, Subcommand
+
+PLUGIN = 'duplicates'
+log = logging.getLogger('beets')
+
+
+def _group_by_id(objs):
+    """Return a dictionary whose keys are MBIDs and whose values are
+    lists of objects (Albums or Items) with that ID.
+    """
+    import collections
+    counts = collections.defaultdict(list)
+    for obj in objs:
+        mbid = getattr(obj, 'mb_trackid', obj.mb_albumid)
+        counts[mbid].append(obj)
+    return counts
+
+
+def _duplicates(objs, full):
+    """Generate triples of MBIDs, duplicate counts, and constituent
+    objects.
+    """
+    offset = 0 if full else 1
+    for mbid, objs in _group_by_id(objs).iteritems():
+        if len(objs) > 1:
+            yield (mbid, len(objs) - offset, objs[offset:])
+
+
+class DuplicatesPlugin(BeetsPlugin):
+    """List duplicate tracks or albums
+    """
+    def __init__(self):
+        super(DuplicatesPlugin, self).__init__()
+
+        self.config.add({'format': ''})
+        self.config.add({'count': False})
+        self.config.add({'album': False})
+        self.config.add({'full': False})
+
+        self._command = Subcommand('duplicates',
+                                   help=__doc__,
+                                   aliases=['dup'])
+
+        self._command.parser.add_option('-f', '--format', dest='format',
+                                        action='store', type='string',
+                                        help='print with custom FORMAT',
+                                        metavar='FORMAT')
+
+        self._command.parser.add_option('-c', '--count', dest='count',
+                                        action='store_true',
+                                        help='count duplicate tracks or\
+                                        albums')
+
+        self._command.parser.add_option('-a', '--album', dest='album',
+                                        action='store_true',
+                                        help='show duplicate albums instead\
+                                        of tracks')
+
+        self._command.parser.add_option('-F', '--full', dest='full',
+                                        action='store_true',
+                                        help='show all versions of duplicate\
+                                        tracks or albums')
+
+    def commands(self):
+        def _dup(lib, opts, args):
+            self.config.set_args(opts)
+            fmt = self.config['format'].get()
+            count = self.config['count'].get()
+            album = self.config['album'].get()
+            full = self.config['full'].get()
+
+            if album:
+                items = lib.albums(decargs(args))
+            else:
+                items = lib.items(decargs(args))
+
+            # Default format string for count mode.
+            if count and not fmt:
+                if album:
+                    fmt = '$albumartist - $album'
+                else:
+                    fmt = '$albumartist - $album - $title'
+                fmt += ': {}'
+
+            for obj_id, obj_count, objs in _duplicates(items, full):
+                if obj_id:  # Skip empty IDs.
+                    for o in objs:
+                        print_obj(o, lib, fmt=fmt.format(obj_count))
+
+        self._command.func = _dup
+        return [self._command]
diff --git a/beetsplug/inline.py b/beetsplug/inline.py
index 81a003cb7..086ed7160 100644
--- a/beetsplug/inline.py
+++ b/beetsplug/inline.py
@@ -18,6 +18,7 @@ import logging
 import traceback
 
 from beets.plugins import BeetsPlugin
+from beets.library import Item, Album
 from beets import config
 
 log = logging.getLogger('beets')
@@ -46,6 +47,14 @@ def _compile_func(body):
     eval(code, env)
     return env[FUNC_NAME]
 
+def _record(obj):
+    """Get a dictionary of values for an Item or Album object.
+    """
+    if isinstance(obj, Item):
+        return dict(obj.record)
+    else:
+        return dict(obj._record)
+
 def compile_inline(python_code):
     """Given a Python expression or function body, compile it as a path
     field function. The returned function takes a single argument, an
@@ -70,8 +79,8 @@ def compile_inline(python_code):
 
     if is_expr:
         # For expressions, just evaluate and return the result.
-        def _expr_func(item):
-            values = dict(item.record)
+        def _expr_func(obj):
+            values = _record(obj)
             try:
                 return eval(code, values)
             except Exception as exc:
@@ -80,8 +89,8 @@ def compile_inline(python_code):
     else:
         # For function bodies, invoke the function with values as global
         # variables.
-        def _func_func(item):
-            func.__globals__.update(item.record)
+        def _func_func(obj):
+            func.__globals__.update(_record(obj))
             try:
                 return func()
             except Exception as exc:
diff --git a/beetsplug/missing.py b/beetsplug/missing.py
index ac394d8de..1fcb0d68c 100644
--- a/beetsplug/missing.py
+++ b/beetsplug/missing.py
@@ -17,7 +17,7 @@
 import logging
 
 from beets.autotag import hooks
-from beets.library import Item
+from beets.library import Item, Album
 from beets.plugins import BeetsPlugin
 from beets.ui import decargs, print_obj, Subcommand
 
@@ -135,16 +135,29 @@ class MissingPlugin(BeetsPlugin):
                 print(sum([_missing_count(a) for a in albums]))
                 return
 
+            # Default format string for count mode.
+            if count and not fmt:
+                fmt = '$albumartist - $album: $missing'
+
             for album in albums:
                 if count:
                     missing = _missing_count(album)
                     if missing:
-                        fmt = "$album: {}".format(missing)
                         print_obj(album, lib, fmt=fmt)
-                    continue
 
-                for item in _missing(album):
-                    print_obj(item, lib, fmt=fmt)
+                else:
+                    for item in _missing(album):
+                        print_obj(item, lib, fmt=fmt)
 
         self._command.func = _miss
         return [self._command]
+
+
+@MissingPlugin.template_field('missing')
+def _tmpl_missing(album):
+    """Return number of missing items in 'album'.
+    """
+    if isinstance(album, Album):
+        return _missing_count(album)
+    else:
+        return ''
diff --git a/beetsplug/random.py b/beetsplug/random.py
index dbf1c0b73..f50061bfb 100644
--- a/beetsplug/random.py
+++ b/beetsplug/random.py
@@ -19,6 +19,9 @@ from beets.plugins import BeetsPlugin
 from beets.ui import Subcommand, decargs, print_obj
 from beets.util.functemplate import Template
 import random
+from operator import attrgetter
+from itertools import groupby
+import collections
 
 def random_item(lib, opts, args):
     query = decargs(args)
@@ -32,8 +35,33 @@ def random_item(lib, opts, args):
         objs = list(lib.albums(query=query))
     else:
         objs = list(lib.items(query=query))
-    number = min(len(objs), opts.number)
-    objs = random.sample(objs, number)
+
+    if opts.equal_chance:
+        # Group the objects by artist so we can sample from them.
+        key = attrgetter('albumartist')
+        objs.sort(key=key)
+        objs_by_artists = {artist: list(v) for artist, v in groupby(objs, key)}
+
+        objs = []
+        for _ in range(opts.number):
+            # Terminate early if we're out of objects to select.
+            if not objs_by_artists:
+                break
+
+            # Choose an artist and an object for that artist, removing
+            # this choice from the pool.
+            artist = random.choice(objs_by_artists.keys())
+            objs_from_artist = objs_by_artists[artist]
+            i = random.randint(0, len(objs_from_artist) - 1)
+            objs.append(objs_from_artist.pop(i))
+
+            # Remove the artist if we've used up all of its objects.
+            if not objs_from_artist:
+                del objs_by_artists[artist]
+
+    else:
+        number = min(len(objs), opts.number)
+        objs = random.sample(objs, number)
 
     for item in objs:
         print_obj(item, lib, template)
@@ -48,6 +76,8 @@ random_cmd.parser.add_option('-f', '--format', action='store',
         help='print with custom format', default=None)
 random_cmd.parser.add_option('-n', '--number', action='store', type="int",
         help='number of objects to choose', default=1)
+random_cmd.parser.add_option('-e', '--equal-chance', action='store_true',
+        help='each artist has the same chance')
 random_cmd.func = random_item
 
 class Random(BeetsPlugin):
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 700936cdc..611169e85 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -4,8 +4,10 @@ Changelog
 1.1.1 (in development)
 ----------------------
 
+* New :doc:`/plugins/duplicates`: Find tracks or albums in your
+  library that are **duplicated**. Thanks to Pedro Silva.
 * New :doc:`/plugins/missing`: Find albums in your library that are **missing
-  tracks**. Thanks to Pedro Silva.
+  tracks**. Thanks once more to Pedro Silva.
 * New :doc:`/plugins/discogs`: Extends the autotagger to include matches from
   the `discogs`_ database.
 * Your library now keeps track of **when music was added** to it. The new
@@ -16,6 +18,9 @@ Changelog
   **numeric ranges**. For example, you can get a list of albums from the '90s
   by typing ``beet ls year:1990..1999`` or find high-bitrate music with
   ``bitrate:128000..``. See :ref:`numericquery`. Thanks to Michael Schuerig.
+* :doc:`/plugins/random`: A new ``-e`` option gives an equal chance to each
+  artist in your collection to avoid biasing random samples to prolific
+  artists. Thanks to Georges Dubus.
 * The :ref:`modify-cmd` now correctly converts types when modifying non-string
   fields. You can now safely modify the "comp" flag and the "year" field, for
   example. Thanks to Lucas Duailibe.
@@ -23,6 +28,11 @@ Changelog
   Thanks to jayme on GitHub.
 * :doc:`/plugins/lyrics`: Lyrics searches should now turn up more results due
   to some fixes in dealing with special characters.
+* Plugin-provided template fields now work for both Albums and Items. Thanks
+  to Pedro Silva.
+* The :ref:`fields-cmd` command shows template fields provided by plugins.
+  Thanks again to Pedro Silva.
+* Album art filenames now respect the :ref:`replace` configuration.
 
 .. _discogs: http://discogs.com/
 
diff --git a/docs/guides/advanced.rst b/docs/guides/advanced.rst
new file mode 100644
index 000000000..fec105e4d
--- /dev/null
+++ b/docs/guides/advanced.rst
@@ -0,0 +1,106 @@
+Advanced Awesomeness
+====================
+
+So you have beets up and running and you've started :doc:`importing your
+music </guides/tagger>`. There's a lot more that beets can do now that it has
+cataloged your collection. Here's a few features to get you started.
+
+Most of these tips involve :doc:`plugins </plugins/index>` and fiddling with
+beets' :doc:`configuration </reference/config>`. So use your favorite text
+editor create a config file before you continue.
+
+
+Fetch album art, genres, and lyrics
+-----------------------------------
+
+Beets can help you fill in more than just the basic taxonomy metadata that
+comes from MusicBrainz. Plugins can provide :doc:`album art
+</plugins/fetchart>`, :doc:`lyrics </plugins/lyrics>`, and
+:doc:`genres </plugins/lastgenre>` from databases around the Web.
+
+If you want beets to get any of this data automatically during the import
+process, just enable any of the three relevant plugins (see
+:ref:`using-plugins`). For example, put this line in your :doc:`config file
+</reference/config>` to enable all three::
+
+    plugins: fetchart lyrics lastgenre
+
+Each plugin also has a command you can run to fetch data manually. For
+example, if you want to get lyrics for all the Beatles tracks in your
+collection, just type ``beet lyrics beatles`` after enabling the plugin.
+
+Read more about using each of these plugins:
+
+* :doc:`/plugins/fetchart` (and its accompanying :doc:`/plugins/embedart`)
+* :doc:`/plugins/lyrics`
+* :doc:`/plugins/lastgenre`
+
+
+Customize your file and folder names
+------------------------------------
+
+Beets uses an extremely flexible template system to name the folders and files
+that organize your music in your filesystem. Take a look at
+:ref:`path-format-config` for the basics: use fields like ``$year`` and
+``$title`` to build up a naming scheme. But if you need more flexibility,
+there are two features you need to know about:
+
+* :ref:`Template functions <template-functions>` are simple expressions you
+  can use in your path formats to add logic to your names. For example, you
+  can get an artist's first initial using ``%upper{%left{$albumartist,1}}``.
+* If you need more flexibility, the :doc:`/plugins/inline` lets you write
+  snippets of Python code that generate parts of your filenames. The
+  equivalent code for getting an artist initial with the *inline* plugin looks
+  like ``initial: albumartist[0].upper()``.
+
+If you already have music in your library and want to update their names
+according to a new scheme, just run the :ref:`move-cmd` command to rename
+everything.
+
+
+Stream your music to another computer
+-------------------------------------
+
+Sometimes it can be really convenient to store your music on one machine and
+play it on another. For example, I like to keep my music on a server at home
+but play it at work (without copying my whole library locally). The
+:doc:`/plugins/web` makes streaming your music easy---it's sort of like having
+your own personal Spotify.
+
+First, enable the ``web`` plugin (see :ref:`using-plugins`). Run the server by
+typing ``beet web`` and head to http://localhost:8337 in a browser. You can
+browse your collection with queries and, if your browser supports it, play
+music using HTML5 audio.
+
+But for a great listening experience, pair beets with the `Tomahawk`_ music
+player. Tomahawk lets you listen to music from many different sources,
+including a beets server. Just download Tomahawk and open its settings to
+connect it to beets. `A post on the beets blog`_ has a more detailed guide.
+
+.. _A post on the beets blog:
+    http://beets.radbox.org/blog/tomahawk-resolver.html
+.. _Tomahawk: http://www.tomahawk-player.org
+
+
+Transcode music files for media players
+---------------------------------------
+
+Do you ever find yourself transcoding high-quality rips to a lower-bitrate,
+lossy format for your phone or music player? Beets can help with that.
+
+You'll first need to install `ffmpeg`_. Then, enable beets'
+:doc:`/plugins/convert`. Set a destination directory in your
+:doc:`config file </reference/config>` like so::
+
+    convert:
+        dest: ~/converted_music
+
+Then, use the command ``beet convert QUERY`` to transcode everything matching
+the query and drop the resulting files in that directory, named according to
+your path formats. For example, ``beet convert long winters`` will move over
+everything by the Long Winters for listening on the go.
+
+The plugin has many more dials you can fiddle with to get your conversions how
+you like them. Check out :doc:`its documentation </plugins/convert>`.
+
+.. _ffmpeg: http://www.ffmpeg.org
diff --git a/docs/guides/index.rst b/docs/guides/index.rst
index d9ec06d9b..9269b249e 100644
--- a/docs/guides/index.rst
+++ b/docs/guides/index.rst
@@ -10,4 +10,5 @@ guide.
 
    main
    tagger
+   advanced
    migration
diff --git a/docs/guides/main.rst b/docs/guides/main.rst
index 84124add1..4a1b55191 100644
--- a/docs/guides/main.rst
+++ b/docs/guides/main.rst
@@ -152,9 +152,8 @@ metadata for every album you import. Option (a) is really fast, but option (b)
 makes sure all your songs' tags are exactly right from the get-go. The point
 about speed bears repeating: using the autotagger on a large library can take a
 very long time, and it's an interactive process. So set aside a good chunk of
-time if you're going to go that route. (I'm working on improving the
-autotagger's performance and automation.) For more information on the
-interactive tagging process, see :doc:`tagger`.
+time if you're going to go that route. For more on the interactive
+tagging process, see :doc:`tagger`.
 
 If you've got time and want to tag all your music right once and for all, do
 this::
@@ -228,35 +227,14 @@ you have::
     Artists: 548
     Albums: 1094
 
-Playing Music
--------------
-
-Beets is primarily intended as a music organizer, not a player. It's designed to
-be used in conjunction with other players (consider `Decibel`_ or `cmus`_;
-there's even :ref:`a cmus plugin for beets <other-plugins>`). However, it does
-include a simple music player---it doesn't have a ton of features, but it gets
-the job done.
-
-.. _Decibel: http://decibel.silent-blade.org/
-.. _cmus: http://cmus.sourceforge.net/
-
-The player, called BPD, is a clone of an excellent music player called `MPD`_.
-Like MPD, it runs as a daemon (i.e., without a user interface). Another program,
-called an MPD client, controls the player and provides the user with an
-interface. You'll need to enable the BPD plugin before you can use it. Check out
-:doc:`/plugins/bpd`.
-
-.. _MPD: http://mpd.wikia.com/
-
-You can, of course, use the bona fide MPD server with your beets library. MPD is
-a great player and has more features than BPD. BPD just provides a convenient,
-built-in player that integrates tightly with your beets database.
-
 Keep Playing
 ------------
 
-The :doc:`/reference/cli` page has more detailed description of all of beets'
-functionality.  (Like deleting music! That's important.) Start exploring!
+This is only the beginning of your long and prosperous journey with beets. To
+keep learning, take a look at :doc:`advanced` for a sampling of what else
+is possible. You'll also want to glance over the :doc:`/reference/cli` page
+for a more detailed description of all of beets' functionality.  (Like
+deleting music! That's important.)
 
 Also, check out :ref:`included-plugins` as well as :ref:`other-plugins`.  The
 real power of beets is in its extensibility---with plugins, beets can do almost
diff --git a/docs/plugins/duplicates.rst b/docs/plugins/duplicates.rst
new file mode 100644
index 000000000..68edbf325
--- /dev/null
+++ b/docs/plugins/duplicates.rst
@@ -0,0 +1,105 @@
+Duplicates Plugin
+=================
+
+This plugin adds a new command, ``duplicates`` or ``dup``, which finds
+and lists duplicate tracks or albums in your collection.
+
+Installation
+------------
+
+Enable the plugin by putting ``duplicates`` on your ``plugins`` line in
+your :doc:`config file </reference/config>`::
+
+    plugins: duplicates
+
+Configuration
+-------------
+
+By default, the ``beet duplicates`` command lists the names of tracks
+in your library that are duplicates. It assumes that Musicbrainz track
+and album ids are unique to each track or album. That is, it lists
+every track or album with an ID that has been seen before in the
+library.
+
+You can customize the output format, count the number of duplicate
+tracks or albums, and list all tracks that have duplicates or just the
+duplicates themselves. These options can either be specified in the
+config file::
+
+    duplicates:
+        format: $albumartist - $album - $title
+        count: no
+        album: no
+        full: no
+
+or on the command-line::
+
+    -f FORMAT, --format=FORMAT
+                          print with custom FORMAT
+    -c, --count           count duplicate tracks or
+                          albums
+    -a, --album           show duplicate albums instead
+                          of tracks
+    -F, --full            show all versions of duplicate
+                          tracks or albums
+
+format
+~~~~~~
+
+The ``format`` option (default: :ref:`list_format_item`) lets you
+specify a specific format with which to print every track or
+album. This uses the same template syntax as beets’ :doc:`path formats
+</reference/pathformat>`.  The usage is inspired by, and therefore
+similar to, the :ref:`list <list-cmd>` command.
+
+count
+~~~~~
+
+The ``count`` option (default: false) prints a count of duplicate
+tracks or albums, with ``format`` hard-coded to ``$albumartist -
+$album - $title: $count`` or ``$albumartist - $album: $count`` (for
+the ``-a`` option).
+
+album
+~~~~~
+
+The ``album`` option (default: false) lists duplicate albums instead
+of tracks.
+
+full
+~~~~
+
+The ``full`` option (default: false) lists every track or album that
+has duplicates, not just the duplicates themselves.
+
+Examples
+--------
+
+List all duplicate tracks in your collection::
+
+  beet duplicates
+
+List all duplicate tracks from 2008::
+
+  beet duplicates year:2008
+
+Print out a unicode histogram of duplicate track years using `spark`_::
+
+  beet duplicates -f '$year' | spark
+  ▆▁▆█▄▇▇▄▇▇▁█▇▆▇▂▄█▁██▂█▁▁██▁█▂▇▆▂▇█▇▇█▆▆▇█▇█▇▆██▂▇
+
+Print out a listing of all albums with duplicate tracks, and respective counts::
+
+  beet duplicates -ac
+
+The same as the above but include the original album, and show the path::
+
+  beet duplicates -acf '$path'
+
+
+TODO
+----
+
+- Allow deleting duplicates.
+
+.. _spark: https://github.com/holman/spark
diff --git a/docs/plugins/index.rst b/docs/plugins/index.rst
index 6f7aacc20..5db83e8e1 100644
--- a/docs/plugins/index.rst
+++ b/docs/plugins/index.rst
@@ -5,6 +5,8 @@ Plugins can extend beets' core functionality. Plugins can add new commands to
 the command-line interface, respond to events in beets, augment the autotagger,
 or provide new path template functions.
 
+.. _using-plugins:
+
 Using Plugins
 -------------
 
@@ -62,8 +64,9 @@ disabled by default, but you can turn them on as described above.
    smartplaylist
    mbsync
    missing
+   duplicates
    discogs
-   
+
 Autotagger Extensions
 ''''''''''''''''''''''
 
@@ -114,7 +117,8 @@ Miscellaneous
   a different directory.
 * :doc:`info`: Print music files' tags to the console.
 * :doc:`missing`: List missing tracks.
-  
+* :doc:`duplicates`: List duplicate tracks or albums.
+
 .. _MPD: http://mpd.wikia.com/
 .. _MPD clients: http://mpd.wikia.com/wiki/Clients
 
@@ -149,5 +153,5 @@ plugins </plugins/writing>`.
 
 .. toctree::
     :hidden:
-    
+
     writing
diff --git a/docs/plugins/missing.rst b/docs/plugins/missing.rst
index 8789d143f..c128b84b8 100644
--- a/docs/plugins/missing.rst
+++ b/docs/plugins/missing.rst
@@ -2,9 +2,10 @@ Missing Plugin
 ==============
 
 This plugin adds a new command, ``missing`` or ``miss``, which finds
-and lists, for every album in your collection, which tracks are
-missing. Listing missing files requires one network call to
-MusicBrainz.
+and lists, for every album in your collection, which or how many
+tracks are missing. Listing missing files requires one network call to
+MusicBrainz. Merely counting missing files avoids any network calls.
+
 
 Installation
 ------------
@@ -49,8 +50,9 @@ inspired by, and therefore similar to, the :ref:`list <list-cmd>` command.
 count
 ~~~~~
 
-The ``count`` option (default: false) prints a count of missing
-tracks per album, with ``format`` hard-coded to ``'$album: $count'``.
+The ``count`` option (default: false) prints a count of missing tracks
+per album, with ``format`` defaulting to ``$albumartist - $album:
+$missing``.
 
 total
 ~~~~~
@@ -58,6 +60,11 @@ total
 The ``total`` option (default: false) prints a single
 count of missing tracks in all albums
 
+Template Fields
+---------------
+
+With this plugin enabled, the ``$missing`` template field expands to the
+number of tracks missing from each album.
 
 Examples
 --------
@@ -83,6 +90,9 @@ Print out a count of the total number of missing tracks::
 
   beet missing -t
 
+Call this plugin from other beet commands::
+
+  beet ls -a -f '$albumartist - $album: $missing'
 
 TODO
 ----
diff --git a/docs/plugins/random.rst b/docs/plugins/random.rst
index a7fac2579..59e4b9483 100644
--- a/docs/plugins/random.rst
+++ b/docs/plugins/random.rst
@@ -16,6 +16,10 @@ command (see :doc:`/reference/cli`). To choose an album instead of a single
 track, use ``-a``; to print paths to items instead of metadata, use ``-p``; and
 to use a custom format for printing, use ``-f FORMAT``.
 
+If the ``-e`` option is passed, the random choice will be even among
+artists (the albumartist field). This makes sure that your anthology
+of Bob Dylan won't make you listen to Bob Dylan 50% of the time.
+
 The ``-n NUMBER`` option controls the number of objects that are selected and
 printed (default 1). To select 5 tracks from your library, type ``beet random
 -n5``.
diff --git a/docs/plugins/writing.rst b/docs/plugins/writing.rst
index d26e64cd8..7c6b20245 100644
--- a/docs/plugins/writing.rst
+++ b/docs/plugins/writing.rst
@@ -243,24 +243,28 @@ This plugin provides a function ``%initial`` to path templates where
 ``%initial{$artist}`` expands to the artist's initial (its capitalized first
 character).
 
-Plugins can also add template *fields*, which are computed values referenced as
-``$name`` in templates. To add a new field, decorate a function taking a single
-parameter, ``item``, with ``MyPlugin.template_field("name")``. Here's an example
-that adds a ``$disc_and_track`` field::
+Plugins can also add template *fields*, which are computed values referenced
+as ``$name`` in templates. To add a new field, decorate a function taking a
+single parameter, which may be an Item or an Album, with
+``MyPlugin.template_field("name")``. Here's an example that adds a
+``$disc_and_track`` field::
 
     @MyPlugin.template_field('disc_and_track')
-    def _tmpl_disc_and_track(item):
+    def _tmpl_disc_and_track(obj):
         """Expand to the disc number and track number if this is a
         multi-disc release. Otherwise, just exapnds to the track
         number.
         """
-        if item.disctotal > 1:
-            return u'%02i.%02i' % (item.disc, item.track)
+        if isinstance(obj, beets.library.Album):
+            return u''
+        if obj.disctotal > 1:
+            return u'%02i.%02i' % (obj.disc, obj.track)
         else:
-            return u'%02i' % (item.track)
+            return u'%02i' % (obj.track)
 
 With this plugin enabled, templates can reference ``$disc_and_track`` as they
-can any standard metadata field.
+can any standard metadata field. Since the field is only meaningful for Items,
+it expands to the empty string when used in an Album context.
 
 Extend MediaFile
 ^^^^^^^^^^^^^^^^
diff --git a/docs/reference/cli.rst b/docs/reference/cli.rst
index 575c92968..ff8d0f8a8 100644
--- a/docs/reference/cli.rst
+++ b/docs/reference/cli.rst
@@ -199,6 +199,8 @@ overridden with ``-w`` (write tags, the default) and ``-W`` (don't write tags).
 Finally, this command politely asks for your permission before making any
 changes, but you can skip that prompt with the ``-y`` switch.
 
+.. _move-cmd:
+
 move
 ````
 ::
@@ -246,6 +248,8 @@ Show some statistics on your entire library (if you don't provide a
 The ``-e`` (``--exact``) option makes the calculation of total file size more
 accurate but slower.
 
+.. _fields-cmd:
+
 fields
 ``````
 ::
@@ -253,8 +257,7 @@ fields
     beet fields
 
 Show the item and album metadata fields available for use in :doc:`query` and
-:doc:`pathformat`.
-
+:doc:`pathformat`. Includes any template fields provided by plugins.
 
 Global Flags
 ------------
diff --git a/docs/reference/pathformat.rst b/docs/reference/pathformat.rst
index 723819182..f037b4395 100644
--- a/docs/reference/pathformat.rst
+++ b/docs/reference/pathformat.rst
@@ -43,6 +43,8 @@ probably don't want that! So use ``$albumartist``.
 As a convenience, however, beets allows ``$albumartist`` to fall back to the value for ``$artist`` and vice-versa if one tag is present but the other is not.
 
 
+.. _template-functions:
+
 Functions
 ---------
 
@@ -71,7 +73,7 @@ These functions are built in to beets:
 * ``%aunique{identifiers,disambiguators}``: Provides a unique string to
   disambiguate similar albums in the database. See :ref:`aunique`, below.
 * ``%time{date_time,format}``: Return the date and time in any format accepted
-  by `strfime`_. For example, to get the year some music was added to your
+  by `strftime`_. For example, to get the year some music was added to your
   library, use ``%time{$added,%Y}``.
 
 .. _unidecode module: http://pypi.python.org/pypi/Unidecode
diff --git a/test/test_db.py b/test/test_db.py
index 6dc822e63..285a136be 100644
--- a/test/test_db.py
+++ b/test/test_db.py
@@ -29,6 +29,7 @@ from _common import item
 import beets.library
 from beets import util
 from beets import plugins
+from beets import config
 
 TEMP_LIB = os.path.join(_common.RSRC, 'test_copy.blb')
 
@@ -835,10 +836,13 @@ class BaseAlbumTest(_common.TestCase):
 class ArtDestinationTest(_common.TestCase):
     def setUp(self):
         super(ArtDestinationTest, self).setUp()
-        self.lib = beets.library.Library(':memory:')
+        config['art_filename'] = u'artimage'
+        config['replace'] = {u'X': u'Y'}
+        self.lib = beets.library.Library(
+            ':memory:', replacements=[(re.compile(u'X'), u'Y')]
+        )
         self.i = item()
         self.i.path = self.lib.destination(self.i)
-        self.lib.art_filename = 'artimage'
         self.ai = self.lib.add_album((self.i,))
 
     def test_art_filename_respects_setting(self):
@@ -850,6 +854,11 @@ class ArtDestinationTest(_common.TestCase):
         track = self.lib.destination(self.i)
         self.assertEqual(os.path.dirname(art), os.path.dirname(track))
 
+    def test_art_path_sanitized(self):
+        config['art_filename'] = u'artXimage'
+        art = self.ai.art_destination('something.jpg')
+        self.assert_('artYimage' in art)
+
 class PathStringTest(_common.TestCase):
     def setUp(self):
         super(PathStringTest, self).setUp()
diff --git a/test/test_ui.py b/test/test_ui.py
index 0a286d125..c9d57a466 100644
--- a/test/test_ui.py
+++ b/test/test_ui.py
@@ -478,7 +478,7 @@ class ConfigTest(_common.TestCase):
         if config_yaml:
             config_data = yaml.load(config_yaml, Loader=confit.Loader)
             config.set(config_data)
-        ui._raw_main(args + ['test'], False)
+        ui._raw_main(args + ['test'])
 
     def test_paths_section_respected(self):
         def func(lib, opts, args):