======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'The Flaming Lips'
                                     'text_people'  ''
                                         'release'  'Stubbs the Zombie'
                                           'title'  'If I Only Had a Brain'
                                           'quals'  "['q-bass-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'soundtrack'
                                             'bpm'  '130.1'
                                             'key'  'A m'  (8A)
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Stubbs the Zombie'
'TBPM' (BPM (beats per minute))                     '130.1'
'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 17:59:13'
'TIT2' (Title/songname/content description)         'If I Only Had a Brain'
'TKEY' (Initial key)                                'A m'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flaming Lips'
'TRCK' (Track number/Position in set)               '10'
'TSOP' (Performer sort order)                       'Flaming Lips, The'
'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'                        '1f43d76f-8edf-44f6-aaf1-b65f05ad9402'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '14d125b9-941c-9b4e-1da4-ef2c2c3e4420'
'TXXX:MusicMagic Data'                              'AgEAn+NCjgyZss0oiBodIFRpgAGBIYQS/u6e/EP3j8Tj58HVjrgRNrddrcbhd6+pgkiAAeILl0AO+tY+gAG3ygrjBkKujcVDgAKAAZb2nx/BYITyBpFSXIVnhQWGDe20m2RWnbXQ7biU04/a9hiwjcxxwU6stoJ4gAEHkrQtIYHoXpiJ1C3xXwISvBbqVY/emuw='
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'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'86001829-fea4-4840-b1f5-cf795571d2f7')

========================== row from database ==========================
                                              'id'  1538636
                                            'path'  /data/Music/Other/PrevSet/[6calmer]/Stubbs The Zombie/10 - The Flaming Lips - If I Only Had a Brain.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  soundtrack
                                        'filesize'  3337691
                                           'mtime'  1657674527
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [6calmer] 10 soundtrack
                                      'tag_artist'  The Flaming Lips
                                     'tag_release'  Stubbs the Zombie
                                       'tag_title'  If I Only Had a Brain
                                             'bpm'  130.1
                                    'search_title'  'a':5 'brain':6 'had':4 'i':2 'if':1 'only':3
                                   'search_artist'  'flaming':2 'lips':3 'the':1
                                  'search_release'  'stubbs':1 'the':2 'zombie':3
                                     'search_rest'  '6calmer':2,3 'prev':5 'prevset':1 'set':6 'soundtrack':4
                                    'search_combo'  '6calmer':14,15 'a':5A 'brain':6A 'flaming':8B 'had':4A 'i':2A 'if':1A 'lips':9B 'only':3A 'prev':17 'prevset':13 'set':18 'soundtrack':16 'stubbs':10C 'the':7B,11C 'zombie':12C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  A m
                                           'quals'  ['q-bass-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1657674527.3082004  (2022-07-13 03:08:47)
                             'size'  3337691