======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '262'
                                          'artist'  'The Jesus & Mary Chain'
                                     'text_people'  'William Reid'
                                         'release'  'Stoned & Dethroned'
                                           'title'  'Bullet Lovers'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['shoegaze', 'post-punk', 'alternative', '80s', 'indie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-post'
                                             'bpm'  '90.170'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x00B\x006\x00+\x003\x007\x00D\x002\x00+\x007\x008\x003\x00E\x00+\x00A\x004\x00C\x006\x00+\x00C\x00B\x00E\x00D\x00+\x001\x000\x000\x007\x004\x00+\x001\x002\x008\x003\x001\x00+\x001\x006\x006\x006\x008\x00+\x001\x009\x00D\x00B\x006\x00+\x001\x00C\x00D\x002\x00E\x00+\x001\x00F\x00C\x00E\x00A\x00+\x002\x003\x006\x00C\x00E\x00+\x002\x006\x007\x00E\x006\x00+\x002\x00A\x001\x007\x005\x00+\x002\x00C\x008\x008\x00F\x00+\x003\x000\x008\x005\x004\x00+\x003\x003\x004\x00D\x004\x00+\x003\x005\x00D\x007\x004\x00\x00\x00')
'PRIV:AverageLevel:k\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'k\x0f\x00\x00')
'PRIV:PeakValue: