======================== unified (from filesystem) ========================
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                                        'duration'  '147'
                                          'artist'  'The John Buzon Trio'
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                                           'title'  'It Must Be True'
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                                      'lastfmtags'  "['instrumental', 'easy listening', 'lounge', 'jazz', 'test']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
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======================== rawer (from filesystem) ========================

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'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-09'
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'TIT2' (Title/songname/content description)         'It Must Be True'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '147748'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The John Buzon Trio'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '4/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Buzon, John, Trio, The'
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'TXXX:MusicBrainz Album Id'                         'db8b142e-f7e1-43c8-a967-af37fe27e290'
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'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
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'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
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'TXXX:replaygain_track_peak'                        '0.784012'
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                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
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                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
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                             'size'  3556216