======================== unified (from filesystem) ========================
                                         'bitrate'  '188.848'
                                        'duration'  '116'
                                          'artist'  'CAN'
                                     'text_people'  ''
                                         'release'  'Unlimited Edition'
                                           'title'  'Ethnological Forgery Series No. 36'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '19'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '107.5'
                                             'key'  '8B'
                                        'acoustid'  '53142aff-607f-4ca8-bbc4-c565ae5a58dc'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000004E 0000004E 000000C3 000000C3 0000433E 000197C1 00000000 00000000 '
 '00019A68 00008958')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000969 00000000004E2487 00000000 0029C841 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Unlimited Edition'
'TBPM' (BPM (beats per minute))                     '107.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Ethnological Forgery Series No. 36'
'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)               '13/19'
'TSO2'                                              'Can'
'TSOP' (Performer sort order)                       'Can'
'TXXX:Acoustid Id'                                  '53142aff-607f-4ca8-bbc4-c565ae5a58dc'
'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'
'TXXX:Q-HAP'                                        '2'
'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'                                       '4'
'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'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.521615'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'22d29502-a5ca-4918-8223-069ecf043ee6')

========================== row from database ==========================
                                              'id'  1411548
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/CAN - Unlimited Edition/13 E.F.S. No36.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  116
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  2754029
                                           'mtime'  1636918170
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 13 E.F.S. No36 rock cppex experimental noise
                                      'tag_artist'  CAN
                                     'tag_release'  Unlimited Edition
                                       'tag_title'  Ethnological Forgery Series No. 36
                                             'bpm'  107.5
                                    'search_title'  '36':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':8 'e':2 'efs':5 'experimental':9 'f':3 'no36':6 'noise':10 'rock':7 's':4
                                    'search_combo'  '36':6A 'can':7B 'classicprogpsy':10 'cppex':17 'e':11 'edition':9C 'efs':14 'ethnological':1A 'experimental':18 'f':12 'forgery':2A 'no':4A,5A 'no36':15 'noise':19 'rock':16 's':13 'series':3A 'unlimited':8C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             '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-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']
                                        'tag_date'  2005
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1636918169.7134137  (2021-11-14 20:29:29)
                             'size'  2754029