======================== unified (from filesystem) ========================
                                         'bitrate'  '252.212'
                                        'duration'  '314'
                                          'artist'  'Papir'
                                     'text_people'  ''
                                         'release'  'IIII'
                                           'title'  'Papir IIII.IIII'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', "
 "'neokraut']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '1'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '114'
                                             'key'  '10B'
                                        'acoustid'  '30221d56-551d-4740-8078-2bc5c0c5ace7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:PÛ\x8cÒçWÉL¢ÎÃ\x96£\x89:8'  PRIV(owner='WM/WMCollectionID', data=b'P\xdb\x8c\xd2\xe7W\xc9L\xa2\xce\xc3\x96\xa3\x89:8')
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'TALB' (Album/Movie/Show title)                     'IIII'
'TBPM' (BPM (beats per minute))                     '114'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-02-11'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Papir IIII.IIII'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Papir'
'TPE2' (Band/orchestra/accompaniment)               'Papir'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'El Paraiso Records'
'TRCK' (Track number/Position in set)               '1/1'
'TSO2'                                              'Papir'
'TSOP' (Performer sort order)                       'Papir'
'TXXX:Acoustid Id'                                  '30221d56-551d-4740-8078-2bc5c0c5ace7'
'TXXX:Artists'                                      'Papir'
'TXXX:BARCODE'                                      '5060195515524'
'TXXX:CATALOGNUMBER'                                'EPR015LP'
'TXXX:MusicBrainz Album Artist Id'                  'd0c4af29-5522-457a-afab-0b3dde253e57'
'TXXX:MusicBrainz Album Id'                         '03e71ebf-cfa4-4ae6-bf31-7d7b956a30f3'
'TXXX:MusicBrainz Album Release Country'            'DK'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd0c4af29-5522-457a-afab-0b3dde253e57'
'TXXX:MusicBrainz Release Group Id'                 '489c323b-faf1-4011-9832-16036d00e9b6'
'TXXX:MusicBrainz Release Track Id'                 'bd102c27-0551-452d-af61-3f82b8573208'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'neokraut']
'TXXX:originalyear'                                 '2014'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.702524'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'140a7727-137d-40ec-a5d7-a59e91b0da20')
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1490504
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Papir/Papir - IIII/4. IIII.IIII.mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  314
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  10009108
                                           'mtime'  1620736713
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 4. rock cppex psychedelic
                                      'tag_artist'  Papir
                                     'tag_release'  IIII
                                       'tag_title'  Papir IIII.IIII
                                             'bpm'  114.0
                                    'search_title'  'iiii':2,3 'iiiiiiii':4 'papir':1
                                   'search_artist'  'papir':1
                                  'search_release'  'iiii':1
                                     'search_rest'  '4':2,3 'classicprogpsy':1 'cppex':5 'psychedelic':6 'rock':4
                                    'search_combo'  '4':8,9 'classicprogpsy':7 'cppex':11 'iiii':2A,3A,6C 'iiiiiiii':4A 'papir':1A,5B 'psychedelic':12 'rock':10
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic rock', 'psychedelic', 'neokraut']
                                        'tag_date'  2014
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736713.4079533  (2021-05-11 14:38:33)
                             'size'  10009108