======================== unified (from filesystem) ========================
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                                        'duration'  '168'
                                          'artist'  'King Oliver and His Dixie Syncopators'
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                                           'title'  'Wa Wa Wa'
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '105.477'
                                             'key'  '7A'
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The History of Jazz: Dixieland to Swing'
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'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-10-08'
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'TIT2' (Title/songname/content description)         'Wa Wa Wa'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'King Oliver and His Dixie Syncopators'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Retro'
'TRCK' (Track number/Position in set)               '9/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'King Oliver and His Dixie Syncopators'
'TXXX:ASIN'                                         'B000005S8D'
'TXXX:Artists'                                      'King Oliver and His Dixie Syncopators'
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'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
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'TXXX:lastfmtags'                                   ['early jazz', 'new orleans', 'american', 'jazz', 'all']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
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'TXXX:q-play'                                       '3'
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'TXXX:q-vocals'                                     '1'
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The History Of Jazz - Dixieland To Swing/CD 1/09  - King Oliver & His Dixie Syncopators - Wa Wa Wa.mp3
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                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  4096051
                                           'mtime'  1620536295
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                                      'tag_artist'  King Oliver and His Dixie Syncopators
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                                       'tag_title'  Wa Wa Wa
                                             'bpm'  105.477
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                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['early jazz', 'new orleans', 'american', 'jazz', 'all']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536295.1692553  (2021-05-09 06:58:15)
                             'size'  4096051