======================== unified (from filesystem) ========================
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                                        'duration'  '260'
                                          'artist'  'Wardruna'
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                                           'title'  'Rotlaust tre fell'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['pagan folk', 'neofolk', 'norwegian', 'ambient', 'nordic folk', 'folk']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'ifs-folk-neo'
                                             'bpm'  '130.063'
                                             'key'  '9A'
                                        'acoustid'  'ccc1ddad-0f48-4150-af47-bf698cc23349'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000051E 00000650 00004AB6 00004ACE 0003ADF0 0003ADF0 00008AC1 00008A02 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008B8 0000000000A95738 00000000 007ACE5F 00000000 '
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'TALB' (Album/Movie/Show title)                     'Runaljod - Yggdrasil'
'TBPM' (BPM (beats per minute))                     '130.063'
'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)         'Rotlaust tre fell'
'TKEY' (Initial key)                                '9A'
'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)               '1/6'
'TSO2'                                              'Wardruna'
'TSOP' (Performer sort order)                       'Wardruna'
'TSRC' (ISRC (international standard recording code))  'NOCVC1304010'
'TXXX:Acoustid Id'                                  'ccc1ddad-0f48-4150-af47-bf698cc23349'
'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'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '91136bf7-3b12-4ae5-b93b-eddb9e561dfb'
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'TXXX:MusicBrainz Release Track Id'                 'eb7dc35a-38c2-4c03-bd9a-92572e29185e'
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'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'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.73 dB'
'TXXX:replaygain_track_peak'                        '0.615525'
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========================== row from database ==========================
                                              'id'  1250232
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Wardruna - 2013 - Yggdrasil/01 Rotlaust tre fell.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  260
                                           'genre'  ifs-folk-neo
                                        'filesize'  8392982
                                           'mtime'  1622659188
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2013 01 ifs folk neo
                                      'tag_artist'  Wardruna
                                     'tag_release'  Runaljod - Yggdrasil
                                       'tag_title'  Rotlaust tre fell
                                             'bpm'  130.063
                                    'search_title'  'fell':3 'rotlaust':1 'tre':2
                                   '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 'eos':9 'fell':3A 'folk':12 'ifs':11 'neo':13 'rotlaust':1A 'runaljod':5C 'songwriter':8 'tre':2A 'wardruna':4B 'yggdrasil':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', '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'  1622659188.2796278  (2021-06-02 20:39:48)
                             'size'  8392982