======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '49'
                                          'artist'  'Kutmah'
                                     'text_people'  ''
                                         'release'  'Dusted Soul'
                                           'title'  'What'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dublab', 'instrumental', 'beats', 'electronic', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '38'
                                      'tracktotal'  '52'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '97.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000738 000004EE 00003BB0 000038EA 0000AA82 0000A0D0 00008156 00008523 '
 '00000000 0000300F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009C0 0000000000210DB0 00000000 000EF288 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '52+165B2D1F8CC6F8C4000BC44714A59BEA+12238598'
'TALB' (Album/Movie/Show title)                     'Dusted Soul'
'TBPM' (BPM (beats per minute))                     '97.0'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes 8.2'
'TIT2' (Title/songname/content description)         'What'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kutmah'
'TRCK' (Track number/Position in set)               '38/52'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dublab', 'instrumental', 'beats', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.67 dB'
'TXXX:replaygain_track_peak'                        '0.520440'

========================== row from database ==========================
                                              'id'  1362519
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Kutmah - Dusted Soul/38 What.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  49
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  993056
                                           'mtime'  1620585311
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 38 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Kutmah
                                     'tag_release'  Dusted Soul
                                       'tag_title'  What
                                             'bpm'  97.0
                                    'search_title'  'what':1
                                   'search_artist'  'kutmah':1
                                  'search_release'  'dusted':1 'soul':2
                                     'search_rest'  '38':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '38':9 'dusted':3C 'hip':10 'hiphop':5 'hop':11 'kutmah':2B 'or':12 'rap':6 'rnb':7 'soul':4C 'turntablism':8 'what':1A
                                    'tag_tracknum'  38
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dublab', 'instrumental', 'beats', 'electronic', 'hip hop']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620585311.1354356  (2021-05-09 20:35:11)
                             'size'  993056