======================== unified (from filesystem) ========================
                                         'bitrate'  '180.882'
                                        'duration'  '354'
                                          'artist'  'Big Bang'
                                     'text_people'  ''
                                         'release'  'Sweet y Sour (4hero remix)'
                                           'title'  'To the Full Every Minute (instrumental)'
                                           '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-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['kpop', 'korean', 'hip hop', 'k pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '104.822'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000003B3 000003BC 00001853'
'COMM:iTunNORM:eng'                                 (' 000003B3 000003BC 00001853 00001AE6 0004DC8B 0004DC8B 00007D77 00007491 '
 '00030122 000099E5')
'TALB' (Album/Movie/Show title)                     'Sweet y Sour (4hero remix)'
'TBPM' (BPM (beats per minute))                     '104.822'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'To the Full Every Minute (instrumental)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Bang'
'TRCK' (Track number/Position in set)               '4/4'
'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'                                   ['kpop', 'korean', 'hip hop', 'k pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.605175'

========================== row from database ==========================
                                              'id'  761680
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Big Bang - TO THE FULL EVERY MINUTE (instrumental).mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  354
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  8042334
                                           'mtime'  1620586926
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism TO THE FULL EVERY MINUTE hip hop or rnb or rap or turntablism
                                      'tag_artist'  Big Bang
                                     'tag_release'  Sweet y Sour (4hero remix)
                                       'tag_title'  To the Full Every Minute (instrumental)
                                             'bpm'  104.822
                                    'search_title'  'every':4 'full':3 'instrumental':6,7 'minute':5 'the':2 'to':1
                                   'search_artist'  'bang':2 'big':1
                                  'search_release'  '4hero':4,5 'remix':6,7 'sour':3 'sweet':1 'y':2
                                     'search_rest'  'every':8 'full':7 'hip':10 'hiphop':1 'hop':11 'minute':9 'or':12 'rap':2 'rnb':3 'the':6 'to':5 'turntablism':4
                                    'search_combo'  '4hero':13C,14C 'bang':9B 'big':8B 'every':4A,24 'full':3A,23 'hip':26 'hiphop':17 'hop':27 'instrumental':6A,7A 'minute':5A,25 'or':28 'rap':18 'remix':15C,16C 'rnb':19 'sour':12C 'sweet':10C 'the':2A,22 'to':1A,21 'turntablism':20 'y':11C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['kpop', 'korean', 'hip hop', 'k pop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586926.3753633  (2021-05-09 21:02:06)
                             'size'  8042334