======================== unified (from filesystem) ========================
                                         'bitrate'  '175.025'
                                        'duration'  '435'
                                          'artist'  'The Knife'
                                     'text_people'  ''
                                         'release'  'The Knife'
                                           'title'  'Reindeer'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'synthpop'
                                             'bpm'  '100.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00z\x01\x0e\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00H\xb2\x00\x10\x03\x00\x00\x00\xa2\xb4\x00\x10\x04\x00\x00\x00\xdbc\x00\x10\x05\x00\x00\x01+\xe2\x00\x10\x06\x00\x00\x01b\x03\x00\x10\x07\x00\x00\x01\xa5\x9c\x00\x10\x08\x00\x00\x01\xee\xfb\x00\x10\t\x00\x00\x02?P\x00\x10\n\x00\x00\x02p[\x00\x10\x0b\x00\x00\x02\xac\xec\x00\x10\x0c\x00\x00\x03,_\x00\x10\r\x00\x00\x03D\xe2\x00\x10\x0e\x00\x00\x03\x86S\x00\x10\xaa\x00\x00\x03\xb3p\xff\xff\xff')
'TALB' (Album/Movie/Show title)                     'The Knife'
'TBPM' (BPM (beats per minute))                     '100.1'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'synthpop'
'TDRC' (Recording time)                             '2004'
'TDRL' (Release time)                               '2004-03-08'
'TDTG' (Tagging time)                               '2007-10-24 01:32:38'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Säker metod)'
'TIT2' (Title/songname/content description)         'Reindeer'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '435026'
'TPE1' (Lead performer(s)/Soloist(s))               'The Knife'
'TRCK' (Track number/Position in set)               '11'
'TSOP' (Performer sort order)                       'Knife, The'
'TSSE' (Software/Hardware and settings used for encoding)  'lame.exe -V 1 --vbr-new'
'TXXX:MusicBrainz Album Artist'                     'The Knife'
'TXXX:MusicBrainz Album Artist Id'                  'bf710b71-48e5-4e15-9bd6-96debb2e4e98'
'TXXX:MusicBrainz Album Artist Sortname'            'Knife, The'
'TXXX:MusicBrainz Album Id'                         'b184faf2-5a71-41c3-ac5a-20724eb6e8e6'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'bf710b71-48e5-4e15-9bd6-96debb2e4e98'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '1d9e82b2-55a2-00f4-8165-4436c626aa0c'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'00dccd6e-07d4-4599-adc8-19ba9ddfe912')

========================== row from database ==========================
                                              'id'  1538835
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/The Knife/Reindeer.mp3
                                         'working'  None
                                         'bitrate'  175
                                    'duration_sec'  435
                                           'genre'  synthpop
                                        'filesize'  9678503
                                           'mtime'  1662800355
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] synthpop
                                      'tag_artist'  The Knife
                                     'tag_release'  The Knife
                                       'tag_title'  Reindeer
                                             'bpm'  100.1
                                    'search_title'  'reindeer':1
                                   'search_artist'  'knife':2 'the':1
                                  'search_release'  'knife':2 'the':1
                                     'search_rest'  '0yay1':2,3 'prev':5 'prevset':1 'set':6 'synthpop':4
                                    'search_combo'  '0yay1':7,8 'knife':3B,5C 'prev':10 'prevset':6 'reindeer':1A 'set':11 'synthpop':9 'the':2B,4C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800354.8271592  (2022-09-10 10:59:14)
                             'size'  9678503