======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '86'
                                          'artist'  'Gloryhammer'
                                     'text_people'  ''
                                         'release'  'Tales from the Kingdom of Fife'
                                           'title'  "Anstruther's Dark Prophecy"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['epic power metal', 'power metal', 'symphonic metal', 'symphonic power "
 "metal', 'scottish']")
                                     'discogstags'  "['power metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-metal-power'
                                             'bpm'  '138.3'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tales from the Kingdom of Fife'
'TBPM' (BPM (beats per minute))                     '138.3'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-power'
'TDOR' (Original release time)                      '2013-03-22'
'TDRC' (Recording time)                             '2013-03-30'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF8: 3>, people=[['arranger', '']])
'TIT2' (Title/songname/content description)         "Anstruther's Dark Prophecy"
'TKEY' (Initial key)                                '6B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Gloryhammer'
'TPE2' (Band/orchestra/accompaniment)               'Gloryhammer'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Napalm Records'
'TRCK' (Track number/Position in set)               '1/11'
'TSOP' (Performer sort order)                       'Gloryhammer'
'TXXX:'                                             ['Script',
 'ASIN',
 'R128_ALBUM_GAIN',
 'R128_TRACK_GAIN',
 'CATALOGNUMBER',
 'Artist Credit',
 'ALBUMARTISTSORT',
 'MusicBrainz Album Type',
 'Album Artist Credit',
 'MusicBrainz Album Status',
 'MusicBrainz Album Release Country',
 'MusicBrainz Album Comment',
 'MusicBrainz Album Id',
 'MusicBrainz Artist Id',
 'MusicBrainz Album Artist Id',
 'MusicBrainz Release Group Id',
 'MusicBrainz Release Track Id']
'TXXX:ALBUMARTISTSORT'                              'Gloryhammer'
'TXXX:ASIN'                                         'B00B4JIV48'
'TXXX:Album Artist Credit'                          'Gloryhammer'
'TXXX:Artist Credit'                                'Gloryhammer'
'TXXX:CATALOGNUMBER'                                'NPR 461'
'TXXX:MusicBrainz Album Artist Id'                  '85997032-ff48-4383-b86a-a920d4230a0b'
'TXXX:MusicBrainz Album Comment'                    'Limited Edition'
'TXXX:MusicBrainz Album Id'                         '02e107e7-d7ce-43f7-8229-c8c3eddf0518'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'Official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '85997032-ff48-4383-b86a-a920d4230a0b'
'TXXX:MusicBrainz Release Group Id'                 '2f07ff94-4ff0-4c99-b5e8-1807b82dd60e'
'TXXX:MusicBrainz Release Track Id'                 'bbbe44ca-96af-369d-ab88-ddf542dbd90c'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Script'                                       'Latn'
'TXXX:discogstags'                                  ['power metal', 'rock']
'TXXX:lastfmtags'                                   ['epic power metal',
 'power metal',
 'symphonic metal',
 'symphonic power metal',
 'scottish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-10.17 dB'
'TXXX:replaygain_track_peak'                        '1.058716'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8726c6d0-cd3c-492a-aa19-9da086f83037')
'USLT::XXX'                                         ''

========================== row from database ==========================
                                              'id'  1512110
                                            'path'  /data/Music/Bulk/00dwimp/[2013-03-22] Tales from the Kingdom of Fife/01 - Anstruther_s Dark Prophecy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  86
                                           'genre'  eid-metal-power
                                        'filesize'  3589135
                                           'mtime'  1620311000
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp [2013 03 22] 01 Anstruther_s eid metal power
                                      'tag_artist'  Gloryhammer
                                     'tag_release'  Tales from the Kingdom of Fife
                                       'tag_title'  Anstruther's Dark Prophecy
                                             'bpm'  138.3
                                    'search_title'  'anstruther':1 'anstruthers':3 'dark':4 'prophecy':5 's':2
                                   'search_artist'  'gloryhammer':1
                                  'search_release'  'fife':6 'from':2 'kingdom':4 'of':5 'tales':1 'the':3
                                     'search_rest'  '00dwimp':1 '2013':2,3 '22':4,5 'anstruther':6 'eid':8 'metal':9 'power':10 's':7
                                    'search_combo'  '00dwimp':13 '2013':14,15 '22':16,17 'anstruther':1A,18 'anstruthers':3A 'dark':4A 'eid':20 'fife':12C 'from':8C 'gloryhammer':6B 'kingdom':10C 'metal':21 'of':11C 'power':22 'prophecy':5A 's':2A,19 'tales':7C 'the':9C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['epic power metal', 'power metal', 'symphonic metal', 'symphonic power metal', 'scottish']
                                        'tag_date'  2013
                                     'discogstags'  ['power metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620311000.084695  (2021-05-06 16:23:20)
                             'size'  3589135