======================== unified (from filesystem) ========================
                                         'bitrate'  '133.37'
                                        'duration'  '520'
                                          'artist'  'Disco Dan'
                                     'text_people'  ''
                                         'release'  'YTMND Soundtrack, Volume 15'
                                           'title'  "Mega Man 3 'Blue Lightning' OC ReMix"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['video game music', 'game remixes', 'video games', 'game', 'oc remix', "
 "'ocremix']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '143.9'
                                             'key'  '12A'
                                        'acoustid'  '9d6b0c88-1a1a-45fd-ad79-b58c9e351358'
rest: ''

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

'APIC:YTMND'                                        type PictureType.COVER_FRONT (Cover (front)) b'YTMND'
                                     
'PRIV:AverageLevel:{\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1b\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'YTMND Soundtrack, Volume 15'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-03-12'
'TIT2' (Title/songname/content description)         "Mega Man 3 'Blue Lightning' OC ReMix"
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Disco Dan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'YTMND'
'TRCK' (Track number/Position in set)               '11/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Disco Dan'
'TXXX:Acoustid Id'                                  '9d6b0c88-1a1a-45fd-ad79-b58c9e351358'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c50a77fa-55de-4f4b-85ae-889109111e11'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '30775634-0548-4cf9-9e3b-0a7fe9d33ae0'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['video game music',
 'game remixes',
 'video games',
 'game',
 'oc remix',
 'ocremix']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.572466'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5d064279-810d-4e68-b3e5-84af5ae93951')

========================== row from database ==========================
                                              'id'  1264539
                                            'path'  /data/Music/Bulk/0soundtrack/Nintendo - YTMND/YTMND Soundtrack - Volume 15/Disc 1/YTMND Soundtrack - Volume 15 - 11 - Disco Dan - Mega Man 3 - BlueLightning (OC Remix).mp3
                                         'working'  None
                                         'bitrate'  133
                                    'duration_sec'  520
                                           'genre'  soundtrack-video
                                        'filesize'  8951705
                                           'mtime'  1620333950
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Nintendo 11 BlueLightning (OC Remix) soundtrack video
                                      'tag_artist'  Disco Dan
                                     'tag_release'  YTMND Soundtrack, Volume 15
                                       'tag_title'  Mega Man 3 'Blue Lightning' OC ReMix
                                             'bpm'  143.9
                                    'search_title'  '3':3 'blue':4,5 'lightning':6,7 'man':2 'mega':1 'mix':11 'oc':8 're':10 'remix':9
                                   'search_artist'  'dan':2 'disco':1
                                  'search_release'  'soundtrack':2,3 'volume':4 'ytmnd':1
                                     'search_rest'  '0soundtrack':1 'blue':10 'bluelightning':3 'lightning':11 'nintendo':2 'oc':4,5 'remix':6,7 'soundtrack':8 'video':9
                                    'search_combo'  '0soundtrack':18 '3':3A 'blue':4A,5A,27 'bluelightning':20 'dan':13B 'disco':12B 'lightning':6A,7A,28 'man':2A 'mega':1A 'mix':11A 'nintendo':19 'oc':8A,21,22 're':10A 'remix':9A,23,24 'soundtrack':15C,16C,25 'video':26 'volume':17C 'ytmnd':14C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  12A
                                           '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-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'game remixes', 'video games', 'game', 'oc remix', 'ocremix']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333949.9172652  (2021-05-06 22:45:49)
                             'size'  8951705