<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '206'
                                          'artist'  'Phantom Planet'
                                     'text_people'  ''
                                         'release'  'Stubbs the Zombie'
                                           'title'  'The Living Dead'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'soundtrack'
                                             'bpm'  '92.0'
                                             'key'  'E m'  (9A)
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81490>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1538813"/>
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Stubbs the Zombie'
'TBPM' (BPM (beats per minute))                     '92.0'
'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 17:59:34'
'TIT2' (Title/songname/content description)         'The Living Dead'
'TKEY' (Initial key)                                'E m'
'TPE1' (Lead performer(s)/Soloist(s))               'Phantom Planet'
'TRCK' (Track number/Position in set)               '13'
'TSOP' (Performer sort order)                       'Phantom Planet'
'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'                        '766a2b45-441f-4096-af05-dbbca9518c9d'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 'f6a47635-6def-8894-7935-39fc12654c2b'
'TXXX:MusicMagic Data'                              'AgEAg7XClVCVQugQh1nkUPfjgAGCx4506MybKFoPmEQHA4ABgvMAmbSkr1+0JIfxhveAARyThNYuvwoP1cHbOu72F366gA0WrpWq8Zb2nx/BYITyBpFSXIVnhQWGDe20m2RWnbXQ7biU04/a9hiwjcxxwU6stoJ4gAEHkrQtIYHoXpiJ1C3xXwISvBbqVY/emuw='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a18838d6-9e65-47f1-a33d-73f181f4f4ff')

========================== row from database ==========================
                                              'id'  1538813
                                            'path'  /data/Music/Other/PrevSet/[6calmer]/Stubbs The Zombie/13 - Phantom Planet - The Living Dead.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  206
                                           'genre'  soundtrack
                                        'filesize'  5021005
                                           'mtime'  1657678843
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [6calmer] 13 soundtrack
                                      'tag_artist'  Phantom Planet
                                     'tag_release'  Stubbs the Zombie
                                       'tag_title'  The Living Dead
                                             'bpm'  92.0
                                    'search_title'  'dead':3 'living':2 'the':1
                                   'search_artist'  'phantom':1 'planet':2
                                  'search_release'  'stubbs':1 'the':2 'zombie':3
                                     'search_rest'  '6calmer':2,3 'prev':5 'prevset':1 'set':6 'soundtrack':4
                                    'search_combo'  '6calmer':10,11 'dead':3A 'living':2A 'phantom':4B 'planet':5B 'prev':13 'prevset':9 'set':14 'soundtrack':12 'stubbs':6C 'the':1A,7C 'zombie':8C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  E m
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657678842.7344503  (2022-07-13 04:20:42)
                             'size'  5021005