======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'The Human League'
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                                         'release'  'A Tribute to Some Bizarre, Volume 1'
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 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '25'
                                            'date'  '1980'
                                        'comments'  ''
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rest: ''

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

'COMM:ID3v1 Comment:eng'                            'Anemiccinema Rip'
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'TBPM' (BPM (beats per minute))                     '137.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         "C'est Grave"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'The Human League'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A Tribute to Some Bizarre'
'TRCK' (Track number/Position in set)               '8/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Human League, The'
'TXXX:Acoustid Id'                                  'b67efbfb-fb93-47b0-aa15-07faa7692c87'
'TXXX:Artists'                                      'The Human League'
'TXXX:CATALOGNUMBER'                                'ATTSB 01'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '52ef8339-c73e-471b-9736-ac8dc30e5c1d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '7adaabfb-acfb-47bc-8c7c-59471c2f0db8'
'TXXX:MusicBrainz Release Group Id'                 '388c8cf1-d028-41f6-81da-92bce3554509'
'TXXX:MusicBrainz Release Track Id'                 '19a7bffa-c8ab-3c5e-b321-1e9b230f56cb'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.681216'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2031045d-757f-44b0-a36d-6f5d784eb673')

========================== row from database ==========================
                                              'id'  1511366
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 1 [128k-192k]/08 The Human League - C_est Grave.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4278444
                                           'mtime'  1636915506
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [128k 192k] 08 C_est electronic experimental oddness
                                      'tag_artist'  The Human League
                                     'tag_release'  A Tribute to Some Bizarre, Volume 1
                                       'tag_title'  C'est Grave
                                             'bpm'  137.9
                                    'search_title'  'c':1 'cest':3 'est':2 'grave':4
                                   'search_artist'  'human':2 'league':3 'the':1
                                  'search_release'  '1':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '128k':4,5 '192k':6,7 'c':8 'electronic':10 'est':9 'experimental':11 'oddness':12 'to':1 'vol':2,3
                                    'search_combo'  '1':15C '128k':19,20 '192k':21,22 'a':8C 'bizarre':12C,13C 'c':1A,23 'cest':3A 'electronic':25 'est':2A,24 'experimental':26 'grave':4A 'human':6B 'league':7B 'oddness':27 'some':11C 'the':5B 'to':10C,16 'tribute':9C 'vol':17,18 'volume':14C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'electronic', 'synthpop']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915506.1046798  (2021-11-14 19:45:06)
                             'size'  4278444