diff --git a/beets/library.py b/beets/library.py
index 59a20cabf..1c2fac944 100644
--- a/beets/library.py
+++ b/beets/library.py
@@ -86,8 +86,8 @@ class PathQuery(dbcore.FieldQuery):
         colon = query_part.find(':')
         if colon != -1:
             query_part = query_part[:colon]
-        return (os.sep in query_part
-                and os.path.exists(syspath(normpath(query_part))))
+        return (os.sep in query_part and
+                os.path.exists(syspath(normpath(query_part))))
 
     def match(self, item):
         path = item.path if self.case_sensitive else item.path.lower()
diff --git a/beets/ui/commands.py b/beets/ui/commands.py
index 474b6650f..74a6da0ed 100644
--- a/beets/ui/commands.py
+++ b/beets/ui/commands.py
@@ -1236,7 +1236,10 @@ def show_stats(lib, query, exact):
 
     for item in items:
         if exact:
-            total_size += os.path.getsize(item.path)
+            try:
+                total_size += os.path.getsize(item.path)
+            except OSError as exc:
+                log.info('could not get size of {}: {}', item.path, exc)
         else:
             total_size += int(item.length * item.bitrate / 8)
         total_time += item.length
diff --git a/beetsplug/fetchart.py b/beetsplug/fetchart.py
index fe32ab9ad..57d8e4c46 100644
--- a/beetsplug/fetchart.py
+++ b/beetsplug/fetchart.py
@@ -72,9 +72,9 @@ def _logged_get(log, *args, **kwargs):
     else:
         message = 'getting URL'
 
-    req = requests.Request('GET', *args, **req_kwargs)
+    req = requests.Request(b'GET', *args, **req_kwargs)
     with requests.Session() as s:
-        s.headers = {'User-Agent': 'beets'}
+        s.headers = {b'User-Agent': b'beets'}
         prepped = s.prepare_request(req)
         log.debug('{}: {}', message, prepped.url)
         return s.send(prepped, **send_kwargs)
diff --git a/beetsplug/info.py b/beetsplug/info.py
index 61f0c7971..a29a6ccfc 100644
--- a/beetsplug/info.py
+++ b/beetsplug/info.py
@@ -119,6 +119,25 @@ def print_data(data, item=None, fmt=None):
         ui.print_(lineformat.format(field, value))
 
 
+def print_data_keys(data, item=None):
+    """Print only the keys (field names) for an item.
+    """
+    path = displayable_path(item.path) if item else None
+    formatted = []
+    for key, value in data.iteritems():
+        formatted.append(key)
+
+    if len(formatted) == 0:
+        return
+
+    line_format = u'{0}{{0}}'.format(u' ' * 4)
+    if path:
+        ui.print_(displayable_path(path))
+
+    for field in sorted(formatted):
+        ui.print_(line_format.format(field))
+
+
 class InfoPlugin(BeetsPlugin):
 
     def commands(self):
@@ -131,6 +150,8 @@ class InfoPlugin(BeetsPlugin):
         cmd.parser.add_option('-i', '--include-keys', default=[],
                               action='append', dest='included_keys',
                               help='comma separated list of keys to show')
+        cmd.parser.add_option('-k', '--keys-only', action='store_true',
+                              help='show only the keys')
         cmd.parser.add_format_option(target='item')
         return [cmd]
 
@@ -173,7 +194,10 @@ class InfoPlugin(BeetsPlugin):
             else:
                 if not first:
                     ui.print_()
-                print_data(data, item, opts.format)
+                if opts.keys_only:
+                    print_data_keys(data, item)
+                else:
+                    print_data(data, item, opts.format)
                 first = False
 
         if opts.summarize:
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 56810ef6c..51fab3100 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -18,6 +18,8 @@ New:
 * A new :doc:`/plugins/mbsubmit` lets you print the tracks of an album in a
   format parseable by MusicBrainz track parser during an interactive import
   session. :bug:`1779`
+* :doc:`/plugins/info`: A new option will print only fields' names and not
+  their values. Thanks to :user:`GuilhermeHideki`. :bug:`1812`
 
 .. _AcousticBrainz: http://acousticbrainz.org/
 
@@ -45,6 +47,10 @@ Fixes:
 * :doc:`/plugins/lyrics`: The Genius backend has been re-enabled.
 * :doc:`/plugins/edit`: Editing metadata now moves files, when appropriate
   (like the :ref:`modify-cmd` command). :bug:`1804`
+* The :ref:`stats-cmd` command no longer crashes when files are missing or
+  inaccessible. :bug:`1806`
+* :doc:`/plugins/fetchart`: Possibly fix a Unicode-related crash when using
+  some versions of pyOpenSSL. :bug:`1805`
 
 .. _beets.io: http://beets.io/
 .. _Beetbox: https://github.com/beetbox
diff --git a/docs/plugins/ihate.rst b/docs/plugins/ihate.rst
index f2224bf5a..f9cde39eb 100644
--- a/docs/plugins/ihate.rst
+++ b/docs/plugins/ihate.rst
@@ -25,7 +25,7 @@ Here's an example::
     ihate:
         warn:
             - artist:rnb
-            - genre: soul
+            - genre:soul
             # Only warn about tribute albums in rock genre.
             - genre:rock album:tribute
         skip:
diff --git a/docs/plugins/info.rst b/docs/plugins/info.rst
index b36e69051..238a957ff 100644
--- a/docs/plugins/info.rst
+++ b/docs/plugins/info.rst
@@ -39,7 +39,7 @@ Additional command-line options include:
 * ``--format`` or ``-f``: Specify a specific format with which to print every
   item. This uses the same template syntax as beets’ :doc:`path formats
   </reference/pathformat>`.
-
+* ``--keys-only`` or ``-k``: Show the name of the tags without the values.
 
 .. _id3v2: http://id3v2.sourceforge.net
 .. _mp3info: http://www.ibiblio.org/mp3info/
diff --git a/test/_common.py b/test/_common.py
index 21c73858e..9f8b9f146 100644
--- a/test/_common.py
+++ b/test/_common.py
@@ -346,3 +346,11 @@ def system_mock(name):
         yield
     finally:
         platform.system = old_system
+
+
+def slow_test(unused=None):
+    def _id(obj):
+        return obj
+    if 'SKIP_SLOW_TESTS' in os.environ:
+        return unittest.skip('test is slow')
+    return _id
diff --git a/test/test_art.py b/test/test_art.py
index e19c7d211..7902bb213 100644
--- a/test/test_art.py
+++ b/test/test_art.py
@@ -209,10 +209,10 @@ class AAOTest(UseThePlugin):
     def test_aao_scraper_finds_image(self):
         body = b"""
         <br />
-        <a href="TARGET_URL" title="View larger image"
-           class="thickbox" style="color: #7E9DA2; text-decoration:none;">
-        <img src="http://www.albumart.org/images/zoom-icon.jpg"
-             alt="View larger image" width="17" height="15"  border="0"/></a>
+        <a href=\"TARGET_URL\" title=\"View larger image\"
+           class=\"thickbox\" style=\"color: #7E9DA2; text-decoration:none;\">
+        <img src=\"http://www.albumart.org/images/zoom-icon.jpg\"
+       alt=\"View larger image\" width=\"17\" height=\"15\"  border=\"0\"/></a>
         """
         self.mock_response(self.AAO_URL, body)
         album = _common.Bag(asin=self.ASIN)
@@ -261,6 +261,7 @@ class GoogleImageTest(UseThePlugin):
         self.assertEqual(list(result_url), [])
 
 
+@_common.slow_test()
 class ArtImporterTest(UseThePlugin):
     def setUp(self):
         super(ArtImporterTest, self).setUp()
diff --git a/test/test_convert.py b/test/test_convert.py
index ab1fa2504..72d52feaa 100644
--- a/test/test_convert.py
+++ b/test/test_convert.py
@@ -64,6 +64,7 @@ class TestHelper(helper.TestHelper):
                                 .format(path, tag))
 
 
+@_common.slow_test()
 class ImportConvertTest(unittest.TestCase, TestHelper):
 
     def setUp(self):
@@ -99,6 +100,7 @@ class ImportConvertTest(unittest.TestCase, TestHelper):
         self.assertTrue(os.path.isfile(item.path))
 
 
+@_common.slow_test()
 class ConvertCliTest(unittest.TestCase, TestHelper):
 
     def setUp(self):
@@ -186,6 +188,7 @@ class ConvertCliTest(unittest.TestCase, TestHelper):
         self.assertFalse(os.path.exists(converted))
 
 
+@_common.slow_test()
 class NeverConvertLossyFilesTest(unittest.TestCase, TestHelper):
     """Test the effect of the `never_convert_lossy_files` option.
     """
diff --git a/test/test_dbcore.py b/test/test_dbcore.py
index a69ffedbe..39b7eea1e 100644
--- a/test/test_dbcore.py
+++ b/test/test_dbcore.py
@@ -19,8 +19,10 @@ from __future__ import (division, absolute_import, print_function,
                         unicode_literals)
 
 import os
+import shutil
 import sqlite3
 
+from test import _common
 from test._common import unittest
 from beets import dbcore
 from tempfile import mkstemp
@@ -116,15 +118,28 @@ class TestDatabaseTwoModels(dbcore.Database):
     pass
 
 
+class TestModelWithGetters(dbcore.Model):
+
+    @classmethod
+    def _getters(cls):
+        return {'aComputedField': (lambda s: 'thing')}
+
+    def _template_funcs(self):
+        return {}
+
+
+@_common.slow_test()
 class MigrationTest(unittest.TestCase):
     """Tests the ability to change the database schema between
     versions.
     """
-    def setUp(self):
-        handle, self.libfile = mkstemp('db')
+
+    @classmethod
+    def setUpClass(cls):
+        handle, cls.orig_libfile = mkstemp('orig_db')
         os.close(handle)
         # Set up a database with the two-field schema.
-        old_lib = TestDatabase2(self.libfile)
+        old_lib = TestDatabase2(cls.orig_libfile)
 
         # Add an item to the old library.
         old_lib._connection().execute(
@@ -133,6 +148,15 @@ class MigrationTest(unittest.TestCase):
         old_lib._connection().commit()
         del old_lib
 
+    @classmethod
+    def tearDownClass(cls):
+        os.remove(cls.orig_libfile)
+
+    def setUp(self):
+        handle, self.libfile = mkstemp('db')
+        os.close(handle)
+        shutil.copyfile(self.orig_libfile, self.libfile)
+
     def tearDown(self):
         os.remove(self.libfile)
 
@@ -274,6 +298,40 @@ class ModelTest(unittest.TestCase):
         model2.load()
         self.assertNotIn('flex_field', model2)
 
+    def test_check_db_fails(self):
+        with self.assertRaisesRegexp(ValueError, 'no database'):
+            dbcore.Model()._check_db()
+        with self.assertRaisesRegexp(ValueError, 'no id'):
+            TestModel1(self.db)._check_db()
+
+        dbcore.Model(self.db)._check_db(need_id=False)
+
+    def test_missing_field(self):
+        with self.assertRaises(AttributeError):
+            TestModel1(self.db).nonExistingKey
+
+    def test_computed_field(self):
+        model = TestModelWithGetters()
+        self.assertEqual(model.aComputedField, 'thing')
+        with self.assertRaisesRegexp(KeyError, 'computed field .+ deleted'):
+            del model.aComputedField
+
+    def test_items(self):
+        model = TestModel1(self.db)
+        model.id = 5
+        self.assertEqual({('id', 5), ('field_one', None)},
+                         set(model.items()))
+
+    def test_delete_internal_field(self):
+        model = dbcore.Model()
+        del model._db
+        with self.assertRaises(AttributeError):
+            model._db
+
+    def test_parse_nonstring(self):
+        with self.assertRaisesRegexp(TypeError, "must be a string"):
+            dbcore.Model._parse(None, 42)
+
 
 class FormatTest(unittest.TestCase):
     def test_format_fixed_field(self):
@@ -588,6 +646,15 @@ class ResultsIteratorTest(unittest.TestCase):
         objs = self.db._fetch(TestModel1)
         self.assertEqual(len(objs), 2)
 
+    def test_out_of_range(self):
+        objs = self.db._fetch(TestModel1)
+        with self.assertRaises(IndexError):
+            objs[100]
+
+    def test_no_results(self):
+        self.assertIsNone(self.db._fetch(
+            TestModel1, dbcore.query.FalseQuery()).get())
+
 
 def suite():
     return unittest.TestLoader().loadTestsFromName(__name__)
diff --git a/test/test_edit.py b/test/test_edit.py
index 522437eaa..25b24cea0 100644
--- a/test/test_edit.py
+++ b/test/test_edit.py
@@ -17,6 +17,7 @@ from __future__ import (division, absolute_import, print_function,
 import codecs
 
 from mock import patch
+from test import _common
 from test._common import unittest
 from test.helper import TestHelper, control_stdin
 
@@ -62,6 +63,7 @@ class ModifyFileMocker(object):
             f.write(contents)
 
 
+@_common.slow_test()
 class EditCommandTest(unittest.TestCase, TestHelper):
     """ Black box tests for `beetsplug.edit`. Command line interaction is
     simulated using `test.helper.control_stdin()`, and yaml editing via an
diff --git a/test/test_importer.py b/test/test_importer.py
index c088492d1..880590f4d 100644
--- a/test/test_importer.py
+++ b/test/test_importer.py
@@ -236,6 +236,7 @@ class ImportHelper(TestHelper):
         self.assertEqual(len(os.listdir(self.libdir)), 0)
 
 
+@_common.slow_test()
 class NonAutotaggedImportTest(_common.TestCase, ImportHelper):
     def setUp(self):
         self.setup_beets(disk=True)
diff --git a/test/test_logging.py b/test/test_logging.py
index 81df95a78..a3fe363b9 100644
--- a/test/test_logging.py
+++ b/test/test_logging.py
@@ -12,6 +12,7 @@ from StringIO import StringIO
 import beets.logging as blog
 from beets import plugins, ui
 import beetsplug
+from test import _common
 from test._common import unittest, TestCase
 from test import helper
 
@@ -163,6 +164,7 @@ class LoggingLevelTest(unittest.TestCase, helper.TestHelper):
         self.assertIn('dummy: debug import_stage', logs)
 
 
+@_common.slow_test()
 class ConcurrentEventsTest(TestCase, helper.TestHelper):
     """Similar to LoggingLevelTest but lower-level and focused on multiple
     events interaction. Since this is a bit heavy we don't do it in
diff --git a/test/test_mpdstats.py b/test/test_mpdstats.py
index 9d7d16881..f28e29d68 100644
--- a/test/test_mpdstats.py
+++ b/test/test_mpdstats.py
@@ -17,7 +17,7 @@ from __future__ import (division, absolute_import, print_function,
                         unicode_literals)
 
 
-from mock import Mock
+from mock import Mock, patch, call, ANY
 from test._common import unittest
 from test.helper import TestHelper
 
@@ -44,6 +44,44 @@ class MPDStatsTest(unittest.TestCase, TestHelper):
         self.assertFalse(mpdstats.update_rating(item, True))
         self.assertFalse(mpdstats.update_rating(None, True))
 
+    def test_get_item(self):
+        ITEM_PATH = '/foo/bar.flac'
+        item = Item(title='title', path=ITEM_PATH, id=1)
+        item.add(self.lib)
+
+        log = Mock()
+        mpdstats = MPDStats(self.lib, log)
+
+        self.assertEqual(str(mpdstats.get_item(ITEM_PATH)), str(item))
+        self.assertIsNone(mpdstats.get_item('/some/non-existing/path'))
+        self.assertIn('item not found:', log.info.call_args[0][0])
+
+    FAKE_UNKNOWN_STATE = 'some-unknown-one'
+    STATUSES = [{'state': FAKE_UNKNOWN_STATE},
+                {'state': 'pause'},
+                {'state': 'play', 'songid': 1, 'time': '0:1'},
+                {'state': 'stop'}]
+    EVENTS = [["player"]] * (len(STATUSES) - 1) + [KeyboardInterrupt]
+    ITEM_PATH = '/foo/bar.flac'
+
+    @patch("beetsplug.mpdstats.MPDClientWrapper", return_value=Mock(**{
+        "events.side_effect": EVENTS, "status.side_effect": STATUSES,
+        "playlist.return_value": {1: ITEM_PATH}}))
+    def test_run_MPDStats(self, mpd_mock):
+        item = Item(title='title', path=self.ITEM_PATH, id=1)
+        item.add(self.lib)
+
+        log = Mock()
+        try:
+            MPDStats(self.lib, log).run()
+        except KeyboardInterrupt:
+            pass
+
+        log.debug.assert_has_calls(
+            [call(u'unhandled status "{0}"', ANY)])
+        log.info.assert_has_calls(
+            [call(u'pause'), call(u'playing {0}', ANY), call(u'stop')])
+
 
 def suite():
     return unittest.TestLoader().loadTestsFromName(__name__)
diff --git a/test/test_ui.py b/test/test_ui.py
index b32a4c452..ed1740643 100644
--- a/test/test_ui.py
+++ b/test/test_ui.py
@@ -594,6 +594,7 @@ class InputTest(_common.TestCase):
         self.assertEqual(album, u'\xc2me')
 
 
+@_common.slow_test()
 class ConfigTest(unittest.TestCase, TestHelper):
     def setUp(self):
         self.setup_beets()
@@ -1035,6 +1036,7 @@ class PathFormatTest(_common.TestCase):
         self.assertEqual(pf[1:], default_formats)
 
 
+@_common.slow_test()
 class PluginTest(_common.TestCase):
     def test_plugin_command_from_pluginpath(self):
         config['pluginpath'] = [os.path.join(_common.RSRC, 'beetsplug')]
@@ -1042,6 +1044,7 @@ class PluginTest(_common.TestCase):
         ui._raw_main(['test'])
 
 
+@_common.slow_test()
 class CompletionTest(_common.TestCase):
     def test_completion(self):
         # Load plugin commands