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                                            'date'  '2000'
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======================== rawer (from filesystem) ========================

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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Best of Ken Burns Jazz/13 - Groovin_ High.mp3
                                         'working'  None
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                                    'duration_sec'  161
                                           'genre'  prerock-jb-jazz-soft-salon or easy
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                                           'mtime'  1620536067
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                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'bebop', 'trumpet', '40s', 'dizzy gillespie sextet']
                                        'tag_date'  2000
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620536067.3484151  (2021-05-09 06:54:27)
                             'size'  6464319