======================== unified (from filesystem) ========================
                                         'bitrate'  '8.0'
                                        'duration'  '1560'
                                          'artist'  "Al'Tarba"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Al'Tarba - No Surrender"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['french', 'hardcore rap', 'hip hop', 'underground hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '131.073'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '131.073'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "Al'Tarba - No Surrender"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               "Al'Tarba"
'TPE2' (Band/orchestra/accompaniment)               "Al'Tarba"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['french', 'hardcore rap', 'hip hop', 'underground hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.384629'

========================== row from database ==========================
                                              'id'  1526970
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Al_Tarba/Al_Tarba - No Surrender.mp3
                                         'working'  None
                                         'bitrate'  8
                                    'duration_sec'  1560
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  1564144
                                           'mtime'  1620586728
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Al_Tarba Al_Tarba hip hop or rnb or rap or turntablism
                                      'tag_artist'  Al'Tarba
                                     'tag_release'  None
                                       'tag_title'  Al'Tarba - No Surrender
                                             'bpm'  131.073
                                    'search_title'  'al':1 'altarba':3 'no':4 'surrender':5 'tarba':2
                                   'search_artist'  'al':1 'altarba':3 'tarba':2
                                  'search_release'  
                                     'search_rest'  'al':5 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'tarba':6 'turntablism':4
                                    'search_combo'  'al':1A,6B,13 'altarba':3A,8B 'hip':15 'hiphop':9 'hop':16 'no':4A 'or':17 'rap':10 'rnb':11 'surrender':5A 'tarba':2A,7B,14 'turntablism':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'hardcore rap', 'hip hop', 'underground hip hop', 'rap']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586727.663327  (2021-05-09 20:58:47)
                             'size'  1564144