======================== unified (from filesystem) ========================
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                                        'duration'  '194'
                                          'artist'  'Isobel Campbell & Mark Lanegan'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '137.292'
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                                        'acoustid'  'e2209d78-104d-468c-9bfc-7bbd2f34092e'
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-01-30'
'TIT2' (Title/songname/content description)         'Black Mountain'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Isobel Campbell & Mark Lanegan'
'TPE2' (Band/orchestra/accompaniment)               'Isobel Campbell & Mark Lanegan'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'V2'
'TRCK' (Track number/Position in set)               '2/12'
'TSO2'                                              'Campbell, Isobel & Lanegan, Mark'
'TSOP' (Performer sort order)                       'Campbell, Isobel & Lanegan, Mark'
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'TXXX:Acoustid Id'                                  'e2209d78-104d-468c-9bfc-7bbd2f34092e'
'TXXX:Artists'                                      'Isobel Campbell/Mark Lanegan'
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'TXXX:CATALOGNUMBER'                                'VVR1035822'
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'TXXX:MusicBrainz Album Id'                         'e32ae79a-336e-4d33-945c-8c5e8206dbd3'
'TXXX:MusicBrainz Album Release Country'            'GB'
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'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd51f3a15-12a2-41a0-acfa-33b5eae71164/a9126556-f555-4920-9617-6e013f8228a7'
'TXXX:MusicBrainz Release Group Id'                 '994cdad1-0365-3439-89ed-6686bd563503'
'TXXX:MusicBrainz Release Track Id'                 '978ab42b-043c-394b-a144-ee1e00db9bab'
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'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'                                   'indie/alternative/female vocalists/folk/singer songwriter'
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.698307'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Isobel Campbell & Mark Lanegan - Isobel Campbell/Ballad Of The Broken Seas/02 - black mountain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  4762365
                                           'mtime'  1636400730
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Of The 02 black mountain ifs songwriter folk
                                      'tag_artist'  Isobel Campbell & Mark Lanegan
                                     'tag_release'  Ballad of the Broken Seas
                                       'tag_title'  Black Mountain
                                             'bpm'  137.292
                                    'search_title'  'black':1 'mountain':2
                                   'search_artist'  'campbell':2 'isobel':1 'lanegan':4 'mark':3
                                  'search_release'  'ballad':1 'broken':4 'of':2 'seas':5 'the':3
                                     'search_rest'  '00singer':1 'black':6 'eos':3 'folk':9 'ifs':8 'mountain':7 'of':4 'songwriter':2 'the':5
                                    'search_combo'  '00singer':12 'ballad':7C 'black':1A,17 'broken':10C 'campbell':4B 'eos':14 'folk':20 'ifs':19 'isobel':3B 'lanegan':6B 'mark':5B 'mountain':2A,18 'of':8C,15 'seas':11C 'songwriter':13 'the':9C,16
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie/alternative/female vocalists/folk/singer songwriter']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400729.5218208  (2021-11-08 20:45:29)
                             'size'  4762365