======================== unified (from filesystem) ========================
                                         'bitrate'  '217.734'
                                        'duration'  '153'
                                          'artist'  'Heilung'
                                     'text_people'  ''
                                         'release'  'Ofnir'
                                           'title'  'Carpathian Forest'
                                           '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-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['denmark', 'dark folk', 'nordic folk', 'folk', 'neofolk']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '9'
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'ifs-folk-neo'
                                             'bpm'  '98.838'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'COMM:ID3v1 Comment:XXX'                            'Visit http://heilung.bandcam'
'TALB' (Album/Movie/Show title)                     'Ofnir'
'TBPM' (BPM (beats per minute))                     '98.838'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-neo'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2018-04-20'
'TIT2' (Title/songname/content description)         'Carpathian Forest'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Heilung'
'TPE2' (Band/orchestra/accompaniment)               'Heilung'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Season of Mist'
'TRCK' (Track number/Position in set)               '5/9'
'TSO2'                                              'Heilung'
'TSOP' (Performer sort order)                       'Heilung'
'TSRC' (ISRC (international standard recording code))  'DK5B41400105'
'TXXX:Artists'                                      'Heilung'
'TXXX:CATALOGNUMBER'                                'SOM 454B'
'TXXX:MusicBrainz Album Artist Id'                  'e52c3c7a-1ded-49e0-91d3-f627658b3d8a'
'TXXX:MusicBrainz Album Id'                         '3a05dcea-a7d9-482e-9fa9-090da1ab52c8'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e52c3c7a-1ded-49e0-91d3-f627658b3d8a'
'TXXX:MusicBrainz Release Group Id'                 '12d1b417-09f5-45b7-bfec-4eb7cbcbce59'
'TXXX:MusicBrainz Release Track Id'                 'ab302abf-43c2-4a45-8383-ec997de075dc'
'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'                                   ['denmark', 'dark folk', 'nordic folk', 'folk', 'neofolk']
'TXXX:originalyear'                                 '2015'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.839782'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'813c5629-46b3-4f73-bcc1-d7a4da574367')
'USLT:None:eng'                                     ('Carpathian forest\r\n'
 'Where the trees are endless\r\n'
 'Forest titans fall to rest\r\n'
 'A bed is made for the queen\r\n'
 ' \r\n'
 'Mushrooms gather in circles\r\n'
 ' \r\n'
 'Where bears walk\r\n'
 'Dereliction houses dark spirits\r\n'
 'A comet falls deep into darkness\r\n'
 ' \r\n'
 'Stones rise in circles\r\n'
 ' \r\n'
 'Where drums roar\r\n'
 'Water wispers vibrating\r\n'
 'People dance under the moon\r\n'
 ' \r\n'
 'In circles\r\n'
 ' \r\n'
 'Bone to Rune\r\n'
 'Skull to Dust\r\n'
 'Ice melts the thoughts of the gods\r\n'
 'Root promises blossom')

========================== row from database ==========================
                                              'id'  1250737
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Heilung - 2015 - Ofnir/05. Carpathian Forest.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  153
                                           'genre'  ifs-folk-neo
                                        'filesize'  4317510
                                           'mtime'  1622659209
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2015 05. ifs folk neo
                                      'tag_artist'  Heilung
                                     'tag_release'  Ofnir
                                       'tag_title'  Carpathian Forest
                                             'bpm'  98.838
                                    'search_title'  'carpathian':1 'forest':2
                                   'search_artist'  'heilung':1
                                  'search_release'  'ofnir':1
                                     'search_rest'  '00singer':1 '05':5,6 '2015':4 'eos':3 'folk':8 'ifs':7 'neo':9 'songwriter':2
                                    'search_combo'  '00singer':5 '05':9,10 '2015':8 'carpathian':1A 'eos':7 'folk':12 'forest':2A 'heilung':3B 'ifs':11 'neo':13 'ofnir':4C 'songwriter':6
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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'  ['denmark', 'dark folk', 'nordic folk', 'folk', 'neofolk']
                                        'tag_date'  2018
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1622659208.6871529  (2021-06-02 20:40:08)
                             'size'  4317510