======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '182'
                                          'artist'  'CAN'
                                     'text_people'  ''
                                         'release'  'Unlimited Edition'
                                           'title'  'TV Spot'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'krautrock', 'progressive rock', 'psychedelic', 'experimental']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '19'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '117.7'
                                             'key'  '12B'
                                        'acoustid'  'cda965aa-6eef-45d5-92ac-04bb43a4b0ff'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000016A 0000019B 00002600 0000E4DD 00008305 00020ADB 00007B31 00007B50 '
 '00017268 00020AC1')
'COMM:iTunPGAP:eng'                                 '0/'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009CC 00000000007B0DA4 00000000 0042EA9D 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '19+64DE1F61DDCFDD01DC71867E11169981+147488'
'TALB' (Album/Movie/Show title)                     'Unlimited Edition'
'TBPM' (BPM (beats per minute))                     '117.7'
'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)         'TV Spot'
'TKEY' (Initial key)                                '12B'
'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)               '8/19'
'TSO2'                                              'Can'
'TSOP' (Performer sort order)                       'Can'
'TXXX:Acoustid Id'                                  'cda965aa-6eef-45d5-92ac-04bb43a4b0ff'
'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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '1.118706'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd46dad51-4846-4f1c-8eda-921c676e5311')
'UFID:http://www.cddb.com/id3/taginfo.html'         UFID(owner='http://www.cddb.com/id3/taginfo.html', data=b'3CD3N16S4917068V18575714A7FBCD91391A1254EF3B766641P4\x00')

========================== row from database ==========================
                                              'id'  1410885
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/CAN - Unlimited Edition/08 TV Spot.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  182
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  4492158
                                           'mtime'  1636918164
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 08 rock cppex experimental or noise
                                      'tag_artist'  CAN
                                     'tag_release'  Unlimited Edition
                                       'tag_title'  TV Spot
                                             'bpm'  117.7
                                    'search_title'  'spot':2 'tv':1
                                   'search_artist'  'can':1
                                  'search_release'  'edition':2 'unlimited':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'experimental':4 'noise':6 'or':5 'rock':2
                                    'search_combo'  'can':3B 'classicprogpsy':6 'cppex':8 'edition':5C 'experimental':9 'noise':11 'or':10 'rock':7 'spot':2A 'tv':1A 'unlimited':4C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-2', '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'  1636918164.3823178  (2021-11-14 20:29:24)
                             'size'  4492158