======================== unified (from filesystem) ========================
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                                        'duration'  '344'
                                          'artist'  'John Cage'
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                                      'lastfmtags'  ("['classical', 'contemporary classical', 'earwaves', 'minimalism', 'avant "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '16'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '138.7'
                                             'key'  '6A'
                                        'acoustid'  '5c485c4f-06f4-4e3d-8fc3-ff7c29e0568b'
rest: ''

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'TBPM' (BPM (beats per minute))                     '138.7'
'TCMP'                                              '1'
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'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-04-25'
'TIT2' (Title/songname/content description)         'Williams Mix'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'John Cage'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '4/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Cage, John'
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'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:q-chart'                                      '2'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '3'
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========================== row from database ==========================
                                              'id'  374356
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Ohm - Early Gurus of Electronic Music/Disc 1/04 - john cage - williams mix.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  344
                                           'genre'  electronic-experimental-early
                                        'filesize'  6899146
                                           'mtime'  1636921057
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                                        'rest_str'   00exnnpjpsprgttidm Ohm Disc 1 04 john cage williams mix electronic experimental early
                                      'tag_artist'  John Cage
                                     'tag_release'  OHM: The Early Gurus of Electronic Music
                                       'tag_title'  Williams Mix
                                             'bpm'  138.7
                                    'search_title'  'mix':2 'williams':1
                                   'search_artist'  'cage':2 'john':1
                                  'search_release'  'early':4 'electronic':7 'gurus':5 'music':8 'of':6 'ohm':1,2 'the':3
                                     'search_rest'  '1':3 'cage':5 'disc':2 'early':10 'electronic':8 'experimental':9 'john':4 'mix':7 'ohm':1 'williams':6
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                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'contemporary classical', 'earwaves', 'minimalism', 'avant garde', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921056.6915019  (2021-11-14 21:17:36)
                             'size'  6899146