======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '232'
                                          'artist'  'Santana'
                                     'text_people'  ''
                                         'release'  'The Very Best of Santana'
                                           'title'  'Hold On'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'classic rock', 'latin', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '19'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '125'
                                             'key'  '6A'
                                        'acoustid'  'dcc41f75-7901-4c80-8c0a-f7eceb4293aa'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:CDDB Disc ID:XXX'                             '2011D713'
'COMM:ID3v1 Comment:XXX'                            '2011D713'
'TALB' (Album/Movie/Show title)                     'The Very Best of Santana'
'TBPM' (BPM (beats per minute))                     '125'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Hold On'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Santana'
'TPE2' (Band/orchestra/accompaniment)               'Santana'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Music Entertainment (France) S.A.'
'TRCK' (Track number/Position in set)               '15/19'
'TSO2'                                              'Santana'
'TSOP' (Performer sort order)                       'Santana'
'TSRC' (ISRC (international standard recording code))  'USSM19805457'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, 192 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Acoustid Id'                                  'dcc41f75-7901-4c80-8c0a-f7eceb4293aa'
'TXXX:Artists'                                      'Santana'
'TXXX:BARCODE'                                      '5099748508126'
'TXXX:CATALOGNUMBER'                                'VER 485081 2'
'TXXX:MusicBrainz Album Artist Id'                  '9a3bf45c-347d-4630-894d-7cf3e8e0b632'
'TXXX:MusicBrainz Album Id'                         'aafb73af-7c0c-4dc2-bf80-e921fe837eba'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '9a3bf45c-347d-4630-894d-7cf3e8e0b632'
'TXXX:MusicBrainz Release Group Id'                 '77254454-b663-394b-b887-a3094ef70d8d'
'TXXX:MusicBrainz Release Track Id'                 'ff298659-49d0-481e-aced-89904261651f'
'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:lastfmtags'                                   ['guitar', 'blues', 'classic rock', 'latin', 'rock']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.524161'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'447068d8-0968-4c69-bc12-6c12c68576fc')

========================== row from database ==========================
                                              'id'  1414214
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Santana/The Very Best/Santana - 15 - Hold On.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  232
                                           'genre'  rock-cppex-classic
                                        'filesize'  5697847
                                           'mtime'  1636038842
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 15 rock cppex classic
                                      'tag_artist'  Santana
                                     'tag_release'  The Very Best of Santana
                                       'tag_title'  Hold On
                                             'bpm'  125.0
                                    'search_title'  'hold':1 'on':2
                                   'search_artist'  'santana':1
                                  'search_release'  'best':3 'of':4 'santana':5 'the':1 'very':2
                                     'search_rest'  'classic':4 'classicprogpsy':1 'cppex':3 'rock':2
                                    'search_combo'  'best':6C 'classic':12 'classicprogpsy':9 'cppex':11 'hold':1A 'of':7C 'on':2A 'rock':10 'santana':3B,8C 'the':4C 'very':5C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'classic rock', 'latin', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038841.765504  (2021-11-04 16:14:01)
                             'size'  5697847