======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '455'
                                          'artist'  'Wardruna'
                                     'text_people'  ''
                                         'release'  'Runaljod - Ragnarok'
                                           'title'  'Runaljod'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'ifs-folk-neo'
                                             'bpm'  '126.568'
                                             'key'  '7B'
                                        'acoustid'  '322e12cd-c1d7-43ed-b2bc-64e80ce75203'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0/'
'COMM:iTunNORM:eng'                                 (' 00000FC4 00000F92 00006FCB 000055CC 0005BA05 0005BA05 00007C28 00007C0A '
 '0003500F 000510F0')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AB0 000000000132C6C0 00000000 01162C3F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10++'
'TALB' (Album/Movie/Show title)                     'Runaljod - Ragnarok'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-neo'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-10-21'
'TIT2' (Title/songname/content description)         'Runaljod'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wardruna'
'TPE2' (Band/orchestra/accompaniment)               'Wardruna'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'By Norse Music'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Wardruna'
'TSOP' (Performer sort order)                       'Wardruna'
'TSRC' (ISRC (international standard recording code))  'NO1941601100'
'TXXX:ASIN'                                         'B01K4GKYPU'
'TXXX:Acoustid Id'                                  '322e12cd-c1d7-43ed-b2bc-64e80ce75203'
'TXXX:Artists'                                      'Wardruna'
'TXXX:BARCODE'                                      '0885150342978'
'TXXX:CATALOGNUMBER'                                'BNM002CD'
'TXXX:MusicBrainz Album Artist Id'                  '91136bf7-3b12-4ae5-b93b-eddb9e561dfb'
'TXXX:MusicBrainz Album Id'                         '0fb29510-2f8c-48b2-aeca-a3ae06346b4c'
'TXXX:MusicBrainz Album Release Country'            'NO'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '91136bf7-3b12-4ae5-b93b-eddb9e561dfb'
'TXXX:MusicBrainz Release Group Id'                 '15f665b4-0098-4620-87cd-b3c05d582297'
'TXXX:MusicBrainz Release Track Id'                 '63c4b979-7d8e-4dd2-97eb-b6de1b0885cd'
'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'                                 '2016'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.343618'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ccade59f-fcec-4dda-8076-f767b9b4f45a')

========================== row from database ==========================
                                              'id'  1238985
                                            'path'  /data/Music/Bulk/00dwimp/2016 - Runaljod - Ragnarok/10# Runaljod.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  455
                                           'genre'  ifs-folk-neo
                                        'filesize'  18292608
                                           'mtime'  1622659183
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2016 10# ifs folk neo
                                      'tag_artist'  Wardruna
                                     'tag_release'  Runaljod - Ragnarok
                                       'tag_title'  Runaljod
                                             'bpm'  126.568
                                    'search_title'  'runaljod':1
                                   'search_artist'  'wardruna':1
                                  'search_release'  'ragnarok':2 'runaljod':1
                                     'search_rest'  '00dwimp':1 '10':3,4 '2016':2 'folk':6 'ifs':5 'neo':7
                                    'search_combo'  '00dwimp':5 '10':7,8 '2016':6 'folk':10 'ifs':9 'neo':11 'ragnarok':4C 'runaljod':1A,3C 'wardruna':2B
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', '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-1', 'q-grit-2']
                                      'lastfmtags'  ['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']
                                        'tag_date'  2016
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1622659182.911951  (2021-06-02 20:39:42)
                             'size'  18292608