======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '138'
                                          'artist'  'Billy Guy (from Coasters)'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Women (Double L; wr. Billy Guy; pr. Robert Bateman)'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '28'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '119.829'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000520 00000520 000017D6 000017D6 00004B82 00004B82 00006B3C 00006B3C '
 '0000FF68 0000FF68')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A08 00000000005FE068 00000000 0034207E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'A312461C+351061+28+150+11167+33439+45455+55473+65199+75922+89758+101021+113852+125509+137399+148862+159530+170228+182442+193128+205286+216616+227435+237917+255273+265973+278842+294298+309930+324680+338055'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '16'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Women (Double L; wr. Billy Guy; pr. Robert Bateman)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Guy (from Coasters)'
'TRCK' (Track number/Position in set)               '16/28'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.537495'

========================== row from database ==========================
                                              'id'  760401
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Billy Guy (from Coasters) - Women (Double L; wr. Billy Guy; pr. Robert Bateman).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  138
                                           'genre'  set-pl-spelling
                                        'filesize'  1667051
                                           'mtime'  1620356295
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Billy Guy (from Coasters)
                                     'tag_release'  None
                                       'tag_title'  Women (Double L; wr. Billy Guy; pr. Robert Bateman)
                                             'bpm'  119.829
                                    'search_title'  'bateman':14,15 'billy':8 'double':2,3 'guy':9,10 'l':4,5 'pr':11,12 'robert':13 'women':1 'wr':6,7
                                   'search_artist'  'billy':1 'coasters':5,6 'from':3,4 'guy':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':23 '0playlists':22 'bateman':14A,15A 'billy':8A,16B 'coasters':20B,21B 'double':2A,3A 'from':18B,19B 'guy':9A,10A,17B 'l':4A,5A 'pl':27 'pr':11A,12A 'robert':13A 'set':26 'spelling':25 'themes':24 'women':1A 'wr':6A,7A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356295.132012  (2021-05-07 04:58:15)
                             'size'  1667051