======================== unified (from filesystem) ========================
                                         'bitrate'  '195.146'
                                        'duration'  '232'
                                          'artist'  'Cypress Hill'
                                     'text_people'  ''
                                         'release'  'Los Grandes Exitos en Espaqol'
                                           'title'  "No Pierdo Nada (Nothin' To Lose)"
                                           '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'  '11'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '109.943'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000007A4 00000808 00009389'
'COMM:iTunNORM:eng'                                 (' 000007A4 00000808 00009389 00009F9C 0001F778 00007E1F 000081AB 0000831D '
 '00029934 00029934')
'COMM:iTunes_CDDB_IDs:eng'                          '14+8B667FDB276615520A64A4799A16BF65+799190'
'TALB' (Album/Movie/Show title)                     'Los Grandes Exitos en Espaqol'
'TBPM' (BPM (beats per minute))                     '109.943'
'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)         "No Pierdo Nada (Nothin' To Lose)"
'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)               '11/14'
'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'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.532885'

========================== row from database ==========================
                                              'id'  1509253
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Cypress Hill/Cypress Hill in espa_ol/Los Grandes Exitos en Espa_ol/11 No Pierdo Nada (Nothin_ To Lose).mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  232
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5668085
                                           'mtime'  1620587045
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism espa_ol Espa_ol 11 (Nothin_ hip hop or rnb or rap or turntablism
                                      'tag_artist'  Cypress Hill
                                     'tag_release'  Los Grandes Exitos en Espaqol
                                       'tag_title'  No Pierdo Nada (Nothin' To Lose)
                                             'bpm'  109.943
                                    'search_title'  'lose':7,8 'nada':3 'no':1 'nothin':4,5 'pierdo':2 'to':6
                                   'search_artist'  'cypress':1 'hill':2
                                  'search_release'  'en':4 'espaqol':5 'exitos':3 'grandes':2 'los':1
                                     'search_rest'  'espa':5 'hip':9 'hiphop':1 'hop':10 'nothin':7,8 'ol':6 'or':11 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'cypress':9B 'en':14C 'espa':20 'espaqol':15C 'exitos':13C 'grandes':12C 'hill':10B 'hip':24 'hiphop':16 'hop':25 'los':11C 'lose':7A,8A 'nada':3A 'no':1A 'nothin':4A,5A,22,23 'ol':21 'or':26 'pierdo':2A 'rap':17 'rnb':18 'to':6A 'turntablism':19
                                    'tag_tracknum'  11
                                      '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'  1620587045.460789  (2021-05-09 21:04:05)
                             'size'  5668085