======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '216'
                                          'artist'  'Brian Eno'
                                     'text_people'  'Brian Eno'
                                         'release'  'I: Instrumental'
                                           'title'  'Saint Tom'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-1', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'alternative', 'electronic', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '144.9'
                                             'key'  '8B'
                                        'acoustid'  '57a38261-9bcb-4c70-9c26-a6748c0af36e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:´\x0b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xb4\x0b\x00\x00')
'PRIV:PeakValue:\x04P\x00\x00'                      PRIV(owner='PeakValue', data=b'\x04P\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x009\x002\x006\x005\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x007\x004\x001\x007\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x003\x005\x004\x003\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x009\x002\x006\x005\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x007\x004\x001\x007\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x005\x003\x005\x004\x003\x008\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:E\x94\x16\x14\\ÃiH\x91a'\x85y\x1dpé"  PRIV(owner='WM/WMCollectionGroupID', data=b"E\x94\x16\x14\\\xc3iH\x91a'\x85y\x1dp\xe9")
'PRIV:WM/WMCollectionID:|2\r[Ìÿ¦E¶¢\x92ê\x9ay\x9cP'  PRIV(owner='WM/WMCollectionID', data=b'|2\r[\xcc\xff\xa6E\xb6\xa2\x92\xea\x9ay\x9cP')
'PRIV:WM/WMContentID:nøÃ\x8e¯°xGµ>