======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Geto Boys'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Size Ain't Shit"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-4', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'gangsta rap', 'rap', 'dirty south', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '105.642'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000434 00000438 00002944 00002B04 00014C24 00014C24 0000874A 000089C1 '
 '00005A34 00033EEB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B40 000000000096C4B0 00000000 005200A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '4E075607+141048+7+150+21159+44791+61595+78090+95614+122422'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TBPM' (BPM (beats per minute))                     '105.642'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         "Size Ain't Shit"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Geto Boys'
'TRCK' (Track number/Position in set)               '3/7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '4'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['hip-hop', 'gangsta rap', 'rap', 'dirty south', 'hip hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.647208'

========================== row from database ==========================
                                              'id'  1500920
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Geto Boys - Size Ain_t Shit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  set-pl-spelling
                                        'filesize'  5381262
                                           'mtime'  1621695566
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling Ain_t set pl spelling
                                      'tag_artist'  Geto Boys
                                     'tag_release'  None
                                       'tag_title'  Size Ain't Shit
                                             'bpm'  105.642
                                    'search_title'  'ain':2 'aint':4 'shit':5 'size':1 't':3
                                   'search_artist'  'boys':2 'geto':1
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'ain':5 'pl':8 'set':7 'spelling':4 't':6 'themes':3
                                    'search_combo'  '0novelty':9 '0playlists':8 'ain':2A,12 'aint':4A 'boys':7B 'geto':6B 'pl':15 'set':14 'shit':5A 'size':1A 'spelling':11 't':3A,13 'themes':10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-4', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'gangsta rap', 'rap', 'dirty south', 'hip hop']
                                        'tag_date'  
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1621695565.5264106  (2021-05-22 16:59:25)
                             'size'  5381262