<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '227'
                                          'artist'  'Sweet'
                                     'text_people'  ''
                                         'release'  "My Best Friend's Girl Soundtrack"
                                           'title'  'Love Is Like Oxygen'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['glam rock', 'british', '70s', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '123.181'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75a30>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1351662"/>
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 000009F4 000009CC 00005F7F 00004F98 0002FE42 000332AF 00008000 00008000 '
 '00000929 000002A1')
'PRIV:AverageLevel:¹\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xb9\x16\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     "My Best Friend's Girl Soundtrack"
'TBPM' (BPM (beats per minute))                     '123.181'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Love Is Like Oxygen'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sweet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['glam rock', 'british', '70s', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.676446'

========================== row from database ==========================
                                              'id'  1351662
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/elo (electric light orchestra) - love is like oxygen(2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  227
                                           'genre'  set-pl-billboard
                                        'filesize'  3653246
                                           'mtime'  1652397993
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] elo (electric light orchestra) love is like oxygen(2) set pl billboard
                                      'tag_artist'  Sweet
                                     'tag_release'  My Best Friend's Girl Soundtrack
                                       'tag_title'  Love Is Like Oxygen
                                             'bpm'  123.181
                                    'search_title'  'is':2 'like':3 'love':1 'oxygen':4
                                   'search_artist'  'sweet':1
                                  'search_release'  'best':2 'friend':3 'friends':5 'girl':6 'my':1 's':4 'soundtrack':7
                                     'search_rest'  '00poprockelectronic':1 '2':17 'billboard':21 'electric':8,9 'elo':7 'files':5,6 'is':14 'light':10 'like':15 'loose':3,4 'love':13 'orchestra':11,12 'oxygen':16 'oxygen2':18 'pl':20 'set':19 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '2':29 'best':7C 'billboard':33 'electric':20,21 'elo':19 'files':17,18 'friend':8C 'friends':10C 'girl':11C 'is':2A,26 'light':22 'like':3A,27 'loose':15,16 'love':1A,25 'my':6C 'orchestra':23,24 'oxygen':4A,28 'oxygen2':30 'pl':32 's':9C 'set':31 'soundtrack':12C 'sweet':5B 'unsorted':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['glam rock', 'british', '70s', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  2008
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1652397992.8309045  (2022-05-13 01:26:32)
                             'size'  3653246