======================== unified (from filesystem) ========================
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                                        'duration'  '220'
                                          'artist'  'The Redneck Manifesto'
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                                      'lastfmtags'  "['math rock', 'instrumental', 'irish', 'indie', 'post rock']"
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock;set-pl-sced'
                                             'bpm'  '137.9'
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rest: ''

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

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'TDRC' (Recording time)                             '1998'
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'TIT2' (Title/songname/content description)         "I don't speak the monkey language,I just hear it"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Redneck Manifesto'
'TPE2' (Band/orchestra/accompaniment)               'The Redneck Manifesto'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Redneck Manifesto/[1998] Thirtysixstrings/08 I don_t speak the monkey language,I just hear it.mp3
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                                    'duration_sec'  220
                                           'genre'  ifs-songwriter-indie-rock;set-pl-sced
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                                     'tag_release'  Thirtysixstrings
                                       'tag_title'  I don't speak the monkey language,I just hear it
                                             'bpm'  137.9
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                                  'search_release'  'thirtysixstrings':1
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                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['math rock', 'instrumental', 'irish', 'indie', 'post rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636403418.8578312  (2021-11-08 21:30:18)
                             'size'  5565321