======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '731'
                                          'artist'  'The Mount Fuji Doomjazz Corporation'
                                     'text_people'  'Eelco Bosman, Gideon Kiers, Jason Kohnen, Sarah Anderson'
                                         'release'  'Doomjazz Future Corpses!'
                                           'title'  'Nine'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'doom jazz', 'jazz', 'drone', 'experimental']"
                                     'discogstags'  "['drone', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '132.5'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Doomjazz Future Corpses!'
'TBPM' (BPM (beats per minute))                     '132.5'
'TCOM' (Composer)                                   'Eelco Bosman, Gideon Kiers, Jason Kohnen, Sarah Anderson'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Nine'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mount Fuji Doomjazz Corporation'
'TPE2' (Band/orchestra/accompaniment)               'The Mount Fuji Doomjazz Corporation'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9'
'TXXX:MusicBrainz Album Artist'                     'he Mount Fuji Doomjazz Corporation'
'TXXX:MusicBrainz Album Artist Id'                  'a26fe8ce-236f-473e-9bc0-10f5be601272'
'TXXX:MusicBrainz Album Artist Sortname'            'Mount Fuji Doomjazz Corporation, The'
'TXXX:MusicBrainz Album Id'                         'ec7512a-b267-4280-848f-b01b4d464c01'
'TXXX:MusicBrainz Album Status'                     'fficial'
'TXXX:MusicBrainz Album Type'                       'ive'
'TXXX:MusicBrainz Artist Id'                        'a26fe8ce-236f-473e-9bc0-10f5be601272'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['drone', 'electronic', 'experimental']
'TXXX:lastfmtags'                                   ['dark ambient', 'doom jazz', 'jazz', 'drone', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.03 dB'
'TXXX:replaygain_track_peak'                        '0.685386'
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========================== row from database ==========================
                                              'id'  1383799
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/The Mount Fuji Doomjazz Corporation/Doomjazz Future Corpses!/09 Nine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  731
                                           'genre'  electronic-ambient-dark
                                        'filesize'  29261853
                                           'mtime'  1639508665
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient 09 electronic ambient dark
                                      'tag_artist'  The Mount Fuji Doomjazz Corporation
                                     'tag_release'  Doomjazz Future Corpses!
                                       'tag_title'  Nine
                                             'bpm'  132.5
                                    'search_title'  'nine':1
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                                  'search_release'  'corpses':3 'doomjazz':1 'future':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 'ambient':4 'dark':5 'electronic':3
                                    'search_combo'  '00ambient':11 '00poprockelectronic':10 'ambient':13 'corporation':6B 'corpses':9C 'dark':14 'doomjazz':5B,7C 'electronic':12 'fuji':4B 'future':8C 'mount':3B 'nine':1A 'the':2B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['dark ambient', 'doom jazz', 'jazz', 'drone', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['drone', 'electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1639508665.2792854  (2021-12-14 20:04:25)
                             'size'  29261853