======================== unified (from filesystem) ========================
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                                        'duration'  '299'
                                          'artist'  'Milton Babbitt'
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                                           'title'  'Philomel (edit)'
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                                      'lastfmtags'  ("['contemporary classical', 'experimental', 'avant-garde', 'classical', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '126.0'
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'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-04-25'
'TIT2' (Title/songname/content description)         'Philomel (edit)'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Milton Babbitt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '15/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Babbitt, Milton'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
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'TXXX:q-syn'                                        '3'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ohm - Early Gurus of Electronic Music/Disc 1/15 milton babbitt philomel (edit) 1964.mp3
                                         'working'  None
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                                    'duration_sec'  299
                                           'genre'  electronic-experimental-early
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                                           'mtime'  1636921058
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                                       'tag_title'  Philomel (edit)
                                             'bpm'  126.0
                                    'search_title'  'edit':2,3 'philomel':1
                                   'search_artist'  'babbitt':2 'milton':1
                                  'search_release'  'early':4 'electronic':7 'gurus':5 'music':8 'of':6 'ohm':1,2 'the':3
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                                    'search_combo'  '1':16 '1964':20 'babbitt':5B,18 'disc':15 'early':9C,23 'edit':2A,3A 'electronic':12C,21 'experimental':22 'gurus':10C 'milton':4B,17 'music':13C 'of':11C 'ohm':6C,7C,14 'philomel':1A,19 'the':8C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'experimental', 'avant-garde', 'classical', 'american']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921058.2860003  (2021-11-14 21:17:38)
                             'size'  7198691