======================== unified (from filesystem) ========================
                                         'bitrate'  '199.74'
                                        'duration'  '209'
                                          'artist'  'Cypress Hill'
                                     'text_people'  ''
                                         'release'  'Los Grandes Exitos en Espaqol'
                                           'title'  'Tu No Ajaunta (Checkmate)'
                                           '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-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'rapcore', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '111.028'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000420 00000465 00009DA7'
'COMM:iTunNORM:eng'                                 (' 00000420 00000465 00009DA7 00007C9B 00017768 00017768 000089C4 000088FC '
 '00023B39 00023B39')
'COMM:iTunes_CDDB_IDs:eng'                          '14+8B667FDB276615520A64A4799A16BF65+799190'
'TALB' (Album/Movie/Show title)                     'Los Grandes Exitos en Espaqol'
'TBPM' (BPM (beats per minute))                     '111.028'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes v3.0.1'
'TIT2' (Title/songname/content description)         'Tu No Ajaunta (Checkmate)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cypress Hill'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/14'
'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'                                   ['alternative', 'rapcore', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.44 dB'
'TXXX:replaygain_track_peak'                        '0.658500'

========================== row from database ==========================
                                              'id'  1247400
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Cypress Hill/Cypress Hill in espa_ol/Los Grandes Exitos en Espa_ol/08 Tu No Ajaunta (Checkmate).mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  209
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5244475
                                           'mtime'  1620587045
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism in espa_ol Espa_ol 08 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Cypress Hill
                                     'tag_release'  Los Grandes Exitos en Espaqol
                                       'tag_title'  Tu No Ajaunta (Checkmate)
                                             'bpm'  111.028
                                    'search_title'  'ajaunta':3 'checkmate':4,5 'no':2 'tu':1
                                   'search_artist'  'cypress':1 'hill':2
                                  'search_release'  'en':4 'espaqol':5 'exitos':3 'grandes':2 'los':1
                                     'search_rest'  'espa':6 'hip':8 'hiphop':1 'hop':9 'in':5 'ol':7 'or':10 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'ajaunta':3A 'checkmate':4A,5A 'cypress':6B 'en':11C 'espa':18 'espaqol':12C 'exitos':10C 'grandes':9C 'hill':7B 'hip':20 'hiphop':13 'hop':21 'in':17 'los':8C 'no':2A 'ol':19 'or':22 'rap':14 'rnb':15 'tu':1A 'turntablism':16
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['alternative', 'rapcore', 'hip hop', 'rap']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620587045.4035826  (2021-05-09 21:04:05)
                             'size'  5244475