======================== unified (from filesystem) ========================
                                         'bitrate'  '285.618'
                                        'duration'  '204'
                                          'artist'  'Pablove Black'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Black Wax'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['reggae', 'dub', 'ska', 'rancido roots', 'sidewalk doctor riddim']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.580'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000002E0 000002E0 000040FD'
'COMM:iTunNORM:eng'                                 (' 000002E0 000002E0 000040FD 000040FD 0002E49C 0002E49C 0000671D 0000671D '
 '0002CEC6 0002CEC6')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006FC 0000000000895F74 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '16+5ECCF35A19286DC4285654D7C353885B+7714463'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Black Wax'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pablove Black'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'ska', 'rancido roots', 'sidewalk doctor riddim']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.675318'

========================== row from database ==========================
                                              'id'  949037
                                            'path'  /data/Music/Bulk/sns/Pablove Black - Black Wax.mp3
                                         'working'  None
                                         'bitrate'  285
                                    'duration_sec'  204
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  7666830
                                           'mtime'  1621696547
                                   'redo_metaread'  0
                                        'rest_str'   sns set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Pablove Black
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Black Wax
                                             'bpm'  145.58
                                    'search_title'  'black':1 'wax':2
                                   'search_artist'  'black':2 'pablove':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':8 'pl':3 'set':2,5,7 'shirleyspinoza':4,6 'sns':1
                                    'search_combo'  'black':1A,4B 'mor':14 'pablove':3B 'pl':9 'set':8,11,13 'shirley':5C 'shirleyspinoza':10,12 'sns':7 'spinoza':6C 'wax':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1B
                                           '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-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'ska', 'rancido roots', 'sidewalk doctor riddim']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696546.6233242  (2021-05-22 17:15:46)
                             'size'  7666830