======================== unified (from filesystem) ========================
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                                        'duration'  '140'
                                          'artist'  'Flobby Tthomuse'
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                                           'title'  'My Vacation On Planet X'
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                                     'discogstags'  "['instrumental', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '37'
                                            'date'  '2000'
                                        'comments'  ''
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                                             'bpm'  '92.265'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TDRC' (Recording time)                             '2000'
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'TIT2' (Title/songname/content description)         'My Vacation On Planet X'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Flobby Tthomuse'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
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========================== row from database ==========================
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                                    'duration_sec'  140
                                           'genre'  rock-cppex-experimental or noise
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                                     'tag_release'  Your Guide To The Rock Apocalypse
                                       'tag_title'  My Vacation On Planet X
                                             'bpm'  92.265
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                                   'search_artist'  'flobby':1 'tthomuse':2
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                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'experimental', 'electronica', 'turntablism', 'bay area']
                                        'tag_date'  2000
                                     'discogstags'  ['instrumental', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620736009.2561667  (2021-05-11 14:26:49)
                             'size'  5608971