======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '123'
                                          'artist'  'The Spotnicks'
                                     'text_people'  ''
                                         'release'  'The Spotnicks Collection'
                                           'title'  'Ghostriders in the Sky'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental/surf/ed hits/guitar/60s']"
                                     'discogstags'  "['rock', 'blues', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '30'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '134.8'
                                             'key'  '1A'
                                        'acoustid'  'a87bd7e7-731e-487d-bf42-651092f54f4a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Spotnicks Collection'
'TBPM' (BPM (beats per minute))                     '134.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Ghostriders in the Sky'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Spotnicks'
'TPE2' (Band/orchestra/accompaniment)               'The Spotnicks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rival International AB'
'TRCK' (Track number/Position in set)               '9/30'
'TSO2'                                              'Spotnicks, The'
'TSOP' (Performer sort order)                       'Spotnicks, The'
'TXXX:Acoustid Id'                                  'a87bd7e7-731e-487d-bf42-651092f54f4a'
'TXXX:Artists'                                      'The Spotnicks'
'TXXX:BARCODE'                                      '7391661510612'
'TXXX:CATALOGNUMBER'                                'KAKCD 61'
'TXXX:Mp3gain_minmax'                               '138,181'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:MusicBrainz Album Artist Id'                  'd976e2c9-31cc-4d34-82d6-4b3641692026'
'TXXX:MusicBrainz Album Id'                         '6a575be9-69db-4fd0-aefd-3dc6cb95cf83'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd976e2c9-31cc-4d34-82d6-4b3641692026'
'TXXX:MusicBrainz Release Group Id'                 '8fe332e8-09bd-4793-ba62-24123ab370be'
'TXXX:MusicBrainz Release Track Id'                 '9776dab4-9ae6-4a0f-be9a-8dc128a7d767'
'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:Tracknum'                                     '09'
'TXXX:discogstags'                                  ['rock', 'blues', 'pop']
'TXXX:lastfmtags'                                   'instrumental/surf/ed hits/guitar/60s'
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.484254'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6bb2e983-f7dd-4c11-9e18-a81c61d11cc6')

========================== row from database ==========================
                                              'id'  288391
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Spotnicks-1962-1990-23 cd/The Spotnicks - The Collection 1966 - 67/09 - Ghostriders In The Sky.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  123
                                           'genre'  rock-pop-surf
                                        'filesize'  2077333
                                           'mtime'  1620736429
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1962 1990 23 cd 1966 67 09 In rock pop surf
                                      'tag_artist'  The Spotnicks
                                     'tag_release'  The Spotnicks Collection
                                       'tag_title'  Ghostriders in the Sky
                                             'bpm'  134.8
                                    'search_title'  'ghostriders':1 'in':2 'sky':4 'the':3
                                   'search_artist'  'spotnicks':2 'the':1
                                  'search_release'  'collection':3 'spotnicks':2 'the':1
                                     'search_rest'  '1962':1 '1966':5 '1990':2 '23':3 '67':6 'cd':4 'in':7 'pop':9 'rock':8 'surf':10
                                    'search_combo'  '1962':10 '1966':14 '1990':11 '23':12 '67':15 'cd':13 'collection':9C 'ghostriders':1A 'in':2A,16 'pop':18 'rock':17 'sky':4A 'spotnicks':6B,8C 'surf':19 'the':3A,5B,7C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental/surf/ed hits/guitar/60s']
                                        'tag_date'  1992
                                     'discogstags'  ['rock', 'blues', 'pop']

============================== file details ==============================
                                           'mtime'  1620736428.6500676  (2021-05-11 14:33:48)
                             'size'  2077333