======================== unified (from filesystem) ========================
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                                        'duration'  '210'
                                          'artist'  'Soulvation'
                                     'text_people'  ''
                                         'release'  'Damn! Best of 2003 (disc 2)'
                                           'title'  'Reset Your Brain'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['dance', 'house', 'electronica', 'female vocalists', 'electronic']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '20'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.806'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Damn! Best of 2003 (disc 2)'
'TBPM' (BPM (beats per minute))                     '126.806'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Reset Your Brain'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Soulvation'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Digidance'
'TRCK' (Track number/Position in set)               '8/20'
'TSOP' (Performer sort order)                       'Soulvation'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
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'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'd49f1552-0093-479c-9a1f-cc855e48a90c'
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'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['house', 'electronic']
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'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.435851'

========================== row from database ==========================
                                              'id'  1318015
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/08. Soulvation - Reset Your Brain.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  210
                                           'genre'  electronic-unsorted
                                        'filesize'  5051283
                                           'mtime'  1621696830
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 08. electronic unsorted
                                      'tag_artist'  Soulvation
                                     'tag_release'  Damn! Best of 2003 (disc 2)
                                       'tag_title'  Reset Your Brain
                                             'bpm'  126.806
                                    'search_title'  'brain':3 'reset':1 'your':2
                                   'search_artist'  'soulvation':1
                                  'search_release'  '2':7,8 '2003':4 'best':2 'damn':1 'disc':5,6 'of':3
                                     'search_rest'  '00poprockelectronic':1 '08':13,14 'best':9 'club':7,8 'dance':5,6 'electronic':15 'etc':12 'of':10,11 'top':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '08':25,26 '2':11C,12C '2003':8C 'best':6C,21 'brain':3A 'club':19,20 'damn':5C 'dance':17,18 'disc':9C,10C 'electronic':27 'etc':24 'of':7C,22,23 'reset':1A 'soulvation':4B 'top':15,16 'unsorted':14 'your':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'female vocalists', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696829.5768032  (2021-05-22 17:20:29)
                             'size'  5051283