======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '336'
                                          'artist'  'Ivan Anguelov, Slovak Radio Symphony Orchestra'
                                     'text_people'  'Dvorak, Antonin'
                                         'release'  'Nodame Cantabile Best100'
                                           'title'  'Ceska Suita (Bohemian Suite) in D minor, Op.39 - Finale'
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 "'q-chart-3', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'nodame']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '123.2'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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