<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '220'
                                          'artist'  'Rogue Wave'
                                     'text_people'  ''
                                         'release'  'Stubbs the Zombie'
                                           'title'  'Everyday'
                                           'quals'  "['q-bass-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'soundtrack'
                                             'bpm'  '114.7'
                                             'key'  'B m'  (10A)
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81520>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1538136"/>
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Stubbs the Zombie'
'TBPM' (BPM (beats per minute))                     '114.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack'
'TDRC' (Recording time)                             '2005'
'TDRL' (Release time)                               '2005-10-18'
'TDTG' (Tagging time)                               '2008-02-02 17:59:12'
'TIT2' (Title/songname/content description)         'Everyday'
'TKEY' (Initial key)                                'B m'
'TPE1' (Lead performer(s)/Soloist(s))               'Rogue Wave'
'TRCK' (Track number/Position in set)               '7'
'TSOP' (Performer sort order)                       'Rogue Wave'
'TXXX:MusicBrainz Album Artist'                     'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Artist Sortname'            'Various Artists'
'TXXX:MusicBrainz Album Id'                         '66b81ae0-25da-4c28-9cd0-c03adbf419ed'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '6aa55ee1-4c46-4f7c-9a6d-5051dfe2c06d'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 'a5e26509-d959-6c34-dab6-c94df3f6576d'
'TXXX:MusicMagic Data'                              'AgEAnRKdlVuigsl3hGSxXV8knO6KjoJD7emVn1relaT0T4ABiNXzu6qr7dWVe6i3gTuAAQZm3m0nV9DWgK7PkPEH6mez1eUJjjaLd5b2nx/BYITyBpFSXIVnhQWGDe20m2RWnbXQ7biU04/a9hiwjcxxwU6stoJ4gAEHkrQtIYHoXpiJ1C3xXwISvBbqVY/emuw='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fc4b1165-f079-40d9-a7f5-21553f575ba7')

========================== row from database ==========================
                                              'id'  1538136
                                            'path'  /data/Music/Other/PrevSet/[6calmer]/Stubbs The Zombie/07 - Rogue Wave - Everyday.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  soundtrack
                                        'filesize'  5345110
                                           'mtime'  1657680660
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [6calmer] The 07 soundtrack
                                      'tag_artist'  Rogue Wave
                                     'tag_release'  Stubbs the Zombie
                                       'tag_title'  Everyday
                                             'bpm'  114.7
                                    'search_title'  'everyday':1
                                   'search_artist'  'rogue':1 'wave':2
                                  'search_release'  'stubbs':1 'the':2 'zombie':3
                                     'search_rest'  '6calmer':2,3 'prev':6 'prevset':1 'set':7 'soundtrack':5 'the':4
                                    'search_combo'  '6calmer':8,9 'everyday':1A 'prev':12 'prevset':7 'rogue':2B 'set':13 'soundtrack':11 'stubbs':4C 'the':5C,10 'wave':3B 'zombie':6C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  B m
                                           'quals'  ['q-bass-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657680660.1280868  (2022-07-13 04:51:00)
                             'size'  5345110