======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '97'
                                          'artist'  'CAN'
                                     'text_people'  ''
                                         'release'  'Unlimited Edition'
                                           'title'  'Ethnological Forgery Series No. 8'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
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                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '19'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '105.4'
                                             'key'  '8B'
                                        'acoustid'  '737d6e92-cd2b-4a2b-8047-7ca7e26b4472'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000117 0000010E 00002FB5 00002A3E 000145B6 000145B6 00005A81 00005A10 '
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 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '19+64DE1F61DDCFDD01DC71867E11169981+147488'
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'TBPM' (BPM (beats per minute))                     '105.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes 8.0.1.11'
'TIT2' (Title/songname/content description)         'Ethnological Forgery Series No. 8'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'CAN'
'TPE2' (Band/orchestra/accompaniment)               'CAN'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '17/19'
'TSO2'                                              'Can'
'TSOP' (Performer sort order)                       'Can'
'TXXX:Acoustid Id'                                  '737d6e92-cd2b-4a2b-8047-7ca7e26b4472'
'TXXX:MusicBrainz Album Artist Id'                  '13501c7d-d181-45ba-af52-5f101d8516a0'
'TXXX:MusicBrainz Album Id'                         '60d2e047-0908-485a-a64e-f91c2d701444'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '13501c7d-d181-45ba-af52-5f101d8516a0'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['krautrock', 'rock']
'TXXX:lastfmtags'                                   ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.52 dB'
'TXXX:replaygain_track_peak'                        '0.596800'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1bffeec3-0db2-4c79-9859-9592b9b7a6c6')
'UFID:http://www.cddb.com/id3/taginfo.html'         UFID(owner='http://www.cddb.com/id3/taginfo.html', data=b'3CD3N46S4917077U358EBB5260336D548EC46A6FD4228301779P5\x00')

========================== row from database ==========================
                                              'id'  1411291
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/CAN - Unlimited Edition/17 Ethnological Forgery Series No. 8.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  97
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  2446519
                                           'mtime'  1636918170
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 17 rock cppex experimental noise
                                      'tag_artist'  CAN
                                     'tag_release'  Unlimited Edition
                                       'tag_title'  Ethnological Forgery Series No. 8
                                             'bpm'  105.4
                                    'search_title'  '8':6 'ethnological':1 'forgery':2 'no':4,5 'series':3
                                   'search_artist'  'can':1
                                  'search_release'  'edition':2 'unlimited':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'experimental':4 'noise':5 'rock':2
                                    'search_combo'  '8':6A 'can':7B 'classicprogpsy':10 'cppex':12 'edition':9C 'ethnological':1A 'experimental':13 'forgery':2A 'no':4A,5A 'noise':14 'rock':11 'series':3A 'unlimited':8C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  2005
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1636918169.7241805  (2021-11-14 20:29:29)
                             'size'  2446519