======================== unified (from filesystem) ========================
                                         'bitrate'  '238.793'
                                        'duration'  '315'
                                          'artist'  'Kampfar'
                                     'text_people'  ''
                                         'release'  'Heimgang'
                                           'title'  'Feigdarvarsel'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['pagan black metal', 'folk metal', 'black metal', 'pagan metal', 'viking "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '137.6'
                                             'key'  '10A'
                                        'acoustid'  '8392dc27-169f-4eb8-9609-d4d1c8fd1a9f'
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00î/?\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xee/?\x00')
'TALB' (Album/Movie/Show title)                     'Heimgang'
'TBPM' (BPM (beats per minute))                     '137.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-09-26'
'TIT2' (Title/songname/content description)         'Feigdarvarsel'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'nor'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kampfar'
'TPE2' (Band/orchestra/accompaniment)               'Kampfar'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Napalm Records'
'TRCK' (Track number/Position in set)               '8/10'
'TSO2'                                              'Kampfar'
'TSOP' (Performer sort order)                       'Kampfar'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97'
'TXXX:ASIN'                                         'B001D7SZIS'
'TXXX:Acoustid Id'                                  '8392dc27-169f-4eb8-9609-d4d1c8fd1a9f'
'TXXX:BARCODE'                                      '693723307428'
'TXXX:CATALOGNUMBER'                                'NPR 257'
'TXXX:Catalog #'                                    'NPR 257'
'TXXX:Language 2-letter'                            'NO'
'TXXX:MusicBrainz Album Artist Id'                  '41b9a72e-c0dc-412d-a041-609cb43642df'
'TXXX:MusicBrainz Album Id'                         '243afad5-8cc3-41c3-834d-9f57d42e78f2'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '41b9a72e-c0dc-412d-a041-609cb43642df'
'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:Release type'                                 'Album'
'TXXX:Rip date'                                     '2008-09-23'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['pagan black metal',
 'folk metal',
 'black metal',
 'pagan metal',
 'viking metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.400063'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5a183081-9fb8-4d6b-ada9-9c8f6e30e764')

========================== row from database ==========================
                                              'id'  1528080
                                            'path'  /data/Music/Bulk/00dwimp/00metal/kampfar - heimgang _2008/Kampfar _Heimgang_ 08. Feigdarvarsel.mp3
                                         'working'  None
                                         'bitrate'  238
                                    'duration_sec'  315
                                           'genre'  eid-metal-black
                                        'filesize'  9435544
                                           'mtime'  1620301833
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal kampfar heimgang _2008 _Heimgang_ 08. eid metal black
                                      'tag_artist'  Kampfar
                                     'tag_release'  Heimgang
                                       'tag_title'  Feigdarvarsel
                                             'bpm'  137.6
                                    'search_title'  'feigdarvarsel':1
                                   'search_artist'  'kampfar':1
                                  'search_release'  'heimgang':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '08':7,8 '2008':5 'black':11 'eid':9 'heimgang':4,6 'kampfar':3 'metal':10
                                    'search_combo'  '00dwimp':4 '00metal':5 '08':10,11 '2008':8 'black':14 'eid':12 'feigdarvarsel':1A 'heimgang':3C,7,9 'kampfar':2B,6 'metal':13
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['pagan black metal', 'folk metal', 'black metal', 'pagan metal', 'viking metal']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301832.7658892  (2021-05-06 13:50:32)
                             'size'  9435544