======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'Phonophani'
                                     'text_people'  'Espen Sommer Eide'
                                         'release'  'Oak or Rock'
                                           'title'  'A Lion Lies Listening'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['norwegian/rune grammofon/electronic/experimental/ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '141.5'
                                             'key'  '12A'
                                        'acoustid'  '62d70488-0145-4b4d-ab39-70a50a83ca25'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:Songs-DB_Custom1:XXX'                         'check'
'COMM:Songs-DB_Custom2:XXX'                         'lars'
'PRIV:AverageLevel:â\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xe2\x14\x00\x00')
'PRIV:PeakValue: