======================== unified (from filesystem) ========================
                                         'bitrate'  '187.801'
                                        'duration'  '203'
                                          'artist'  'Cypress Hill'
                                     'text_people'  ''
                                         'release'  'Los Grandes Exitos en Espaqol'
                                           'title'  'Loco En El Coco (Insane In The Brain)'
                                           '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-3', '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'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '102.075'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000678 00000676 00005776'
'COMM:iTunNORM:eng'                                 (' 00000678 00000676 00005776 000072B8 0001B939 0000530F 00008C27 00008B2E '
 '0001160F 00005534')
'COMM:iTunes_CDDB_IDs:eng'                          '14+8B667FDB276615520A64A4799A16BF65+799190'
'TALB' (Album/Movie/Show title)                     'Los Grandes Exitos en Espaqol'
'TBPM' (BPM (beats per minute))                     '102.075'
'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)         'Loco En El Coco (Insane In The Brain)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cypress Hill'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/14'
'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'                                      '3'
'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'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.552108'

========================== row from database ==========================
                                              'id'  1272539
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Cypress Hill/Cypress Hill in espa_ol/Los Grandes Exitos en Espa_ol/02 Loco En El Coco (Insane In The Brain).mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  203
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4787658
                                           'mtime'  1620587045
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism espa_ol Espa_ol 02 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Cypress Hill
                                     'tag_release'  Los Grandes Exitos en Espaqol
                                       'tag_title'  Loco En El Coco (Insane In The Brain)
                                             'bpm'  102.075
                                    'search_title'  'brain':9,10 'coco':4 'el':3 'en':2 'in':7 'insane':5,6 'loco':1 'the':8
                                   'search_artist'  'cypress':1 'hill':2
                                  'search_release'  'en':4 'espaqol':5 'exitos':3 'grandes':2 'los':1
                                     'search_rest'  'espa':5 'hip':7 'hiphop':1 'hop':8 'ol':6 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'brain':9A,10A 'coco':4A 'cypress':11B 'el':3A 'en':2A,16C 'espa':22 'espaqol':17C 'exitos':15C 'grandes':14C 'hill':12B 'hip':24 'hiphop':18 'hop':25 'in':7A 'insane':5A,6A 'loco':1A 'los':13C 'ol':23 'or':26 'rap':19 'rnb':20 'the':8A 'turntablism':21
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           '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-3', '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'  1620587045.0571346  (2021-05-09 21:04:05)
                             'size'  4787658