======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '407'
                                          'artist'  'Wardruna'
                                     'text_people'  ''
                                         'release'  'Runaljod - Yggdrasil'
                                           'title'  'AnsuR'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '6'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'ifs-folk-neo'
                                             'bpm'  '114.999'
                                             'key'  '12B'
                                        'acoustid'  '235b74b9-fd4f-4a18-b7e7-df8322cee239'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000045D 0000049B 000018E9 0000184C 00058B2F 0005D805 0000878D 00008591 '
 '00057ADB 00045D8D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008C5 000000000107A5AB 00000000 00BF3CBD 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Runaljod - Yggdrasil'
'TBPM' (BPM (beats per minute))                     '114.999'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-neo'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'iTunes 10.7.0.21'
'TIT2' (Title/songname/content description)         'AnsuR'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Wardruna'
'TPE2' (Band/orchestra/accompaniment)               'Wardruna'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Back on Black'
'TRCK' (Track number/Position in set)               '5/6'
'TSO2'                                              'Wardruna'
'TSOP' (Performer sort order)                       'Wardruna'
'TSRC' (ISRC (international standard recording code))  'NOCVC1304050'
'TXXX:Acoustid Id'                                  '235b74b9-fd4f-4a18-b7e7-df8322cee239'
'TXXX:Artists'                                      'Wardruna'
'TXXX:BARCODE'                                      '803341391116'
'TXXX:CATALOGNUMBER'                                'BOBV361LP'
'TXXX:MusicBrainz Album Artist Id'                  '91136bf7-3b12-4ae5-b93b-eddb9e561dfb'
'TXXX:MusicBrainz Album Id'                         'e3b02657-913b-4580-9fff-855f0e7cb8a5'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '91136bf7-3b12-4ae5-b93b-eddb9e561dfb'
'TXXX:MusicBrainz Release Group Id'                 'c3009a4b-d532-4bff-8510-01eb2cee8c3b'
'TXXX:MusicBrainz Release Track Id'                 '501e1ca8-57b3-41bf-a4bc-82c8257f38d4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']
'TXXX:originalyear'                                 '2013'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.69 dB'
'TXXX:replaygain_track_peak'                        '0.861869'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd21d5b93-1d11-407e-92dc-e37ee898f889')

========================== row from database ==========================
                                              'id'  1267372
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Wardruna - 2013 - Yggdrasil/05 AnsuR.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  407
                                           'genre'  ifs-folk-neo
                                        'filesize'  13109232
                                           'mtime'  1622659190
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2013 05 ifs folk neo
                                      'tag_artist'  Wardruna
                                     'tag_release'  Runaljod - Yggdrasil
                                       'tag_title'  AnsuR
                                             'bpm'  114.999
                                    'search_title'  'ansu':2 'ansur':1 'r':3
                                   'search_artist'  'wardruna':1
                                  'search_release'  'runaljod':1 'yggdrasil':2
                                     'search_rest'  '00singer':1 '2013':4 'eos':3 'folk':6 'ifs':5 'neo':7 'songwriter':2
                                    'search_combo'  '00singer':7 '2013':10 'ansu':2A 'ansur':1A 'eos':9 'folk':12 'ifs':11 'neo':13 'r':3A 'runaljod':5C 'songwriter':8 'wardruna':4B 'yggdrasil':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']
                                        'tag_date'  2013
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1622659189.6909707  (2021-06-02 20:39:49)
                             'size'  13109232