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'TDRC' (Recording time)                             '2007-01-01'
'TIT2' (Title/songname/content description)         'Sonata for 2 Pianos in D major, K. 448: I. Allegro con spirito'
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                                    'tag_tracknum'  4
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                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
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                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555464.6059315  (2021-12-03 19:17:44)
                             'size'  11610547