======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '37'
                                          'artist'  'The Bonzo Dog Doo-Dah Band'
                                     'text_people'  ''
                                         'release'  "A Dog's Life: The Albums 1967-1972"
                                           'title'  'Kama Sutra'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alliteration']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '27'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'entertaining-eccentric'
                                             'bpm'  '113.5'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "A Dog's Life: The Albums 1967-1972"
'TBPM' (BPM (beats per minute))                     '113.5'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-eccentric'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Kama Sutra'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bonzo Dog Doo-Dah Band'
'TPOS' (Part of a set)                              '1/3'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '21/27'
'TSO2'                                              'Bonzo Dog Band, The'
'TSOP' (Performer sort order)                       'Bonzo Dog Band, The'
'TSST' (Set subtitle)                               "Gorilla / The Doughnut in Granny's Greenhouse"
'TXXX:ASIN'                                         'B004FUZLX2'
'TXXX:Artists'                                      'The Bonzo (Doo/Dah) Dog Band'
'TXXX:BARCODE'                                      '5099994749724'
'TXXX:CATALOGNUMBER'                                '5099994749724'
'TXXX:MusicBrainz Album Artist Id'                  '2fe8f530-861d-40ff-ac74-51f7e2701965'
'TXXX:MusicBrainz Album Id'                         'e1e0f6d2-b0b3-41b7-8787-79397aad6a7f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2fe8f530-861d-40ff-ac74-51f7e2701965'
'TXXX:MusicBrainz Release Group Id'                 'e84a4857-c3da-4ffb-b5cc-6a7af8a0dbdf'
'TXXX:MusicBrainz Release Track Id'                 '42dd741d-44c2-3787-bc03-7545708759d9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'alliteration'
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.634399'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ae0d6972-a429-4989-a5cb-5d1e7d7d803a')
'USLT::XXX'                                         ('Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 'Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 '\n'
 'We tried position 31\n'
 'Yeah, yeah, yeah, yeah\n'
 'It was terrific fun\n'
 'Uh-huh\n'
 'In position 72\n'
 'You were me, and I was you\n'
 'Uh!\n'
 '\n'
 'Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 'Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 'Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 'Kama, Kama, Kama Sutra with me! Yeah, yay!\n'
 'Kama, Kama, Kama....')

========================== row from database ==========================
                                              'id'  163392
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Bonzo Dog Band/Vol. 1  The Intro/MBZ;#The Bonzo Dog Band;#Vol. 1 The Intro;#21;#Karma Sutra.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  37
                                           'genre'  entertaining-eccentric
                                        'filesize'  1235458
                                           'mtime'  1620579842
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Vol. Intro MBZ;#The Band;#Vol. Intro;#21;#Karma entertaining eccentric
                                      'tag_artist'  The Bonzo Dog Doo-Dah Band
                                     'tag_release'  A Dog's Life: The Albums 1967-1972
                                       'tag_title'  Kama Sutra
                                             'bpm'  113.5
                                    'search_title'  'kama':1 'sutra':2
                                   'search_artist'  'band':7 'bonzo':2 'dah':5 'dog':3 'doo':4 'doodah':6 'the':1
                                  'search_release'  '1967':9 '19671972':11 '1972':10 'a':1 'albums':8 'dog':2 'dogs':4 'life':5,6 's':3 'the':7
                                     'search_rest'  '21':13,16 'band':8,10 'eccentric':19 'entertaining':18 'intro':3,12,15 'karma':14,17 'mbz':4,6 'the':5,7 'vol':1,2,9,11
                                    'search_combo'  '1967':18C '19671972':20C '1972':19C '21':33,36 'a':10C 'albums':17C 'band':9B,28,30 'bonzo':4B 'dah':7B 'dog':5B,11C 'dogs':13C 'doo':6B 'doodah':8B 'eccentric':39 'entertaining':38 'intro':23,32,35 'kama':1A 'karma':34,37 'life':14C,15C 'mbz':24,26 's':12C 'sutra':2A 'the':3B,16C,25,27 'vol':21,22,29,31
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alliteration']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620579842.062884  (2021-05-09 19:04:02)
                             'size'  1235458