======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '233'
                                          'artist'  'Benga'
                                     'text_people'  ''
                                         'release'  'Diary of an Afro Warrior'
                                           'title'  'Zero M2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'dub', 'grime', 'dubstep', 'bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '139.948'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000326 0000030D 0000383A 000026DC 00021B2F 0002D6BC 00007CD5 00007EA1 '
 '00024BC1 0002D1A1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000087C 00000000009CE574 00000000 008E382A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+B418AA719C91F4BA7825227369F3357D+10831128'
'TALB' (Album/Movie/Show title)                     'Diary of an Afro Warrior'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 'iTunes v7.6.1'
'TIT2' (Title/songname/content description)         'Zero M2'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benga'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/14'
'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'                                   ['electronic', 'dub', 'grime', 'dubstep', 'bass']
'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'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.81 dB'
'TXXX:replaygain_track_peak'                        '0.727749'

========================== row from database ==========================
                                              'id'  767114
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Benga - ZERO M2.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  233
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9448043
                                           'mtime'  1620586937
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism ZERO hip hop rnb rap turntablism
                                      'tag_artist'  Benga
                                     'tag_release'  Diary of an Afro Warrior
                                       'tag_title'  Zero M2
                                             'bpm'  139.948
                                    'search_title'  'm2':2 'zero':1
                                   'search_artist'  'benga':1
                                  'search_release'  'afro':4 'an':3 'diary':1 'of':2 'warrior':5
                                     'search_rest'  'hip':6 'hiphop':1 'hop':7 'rap':2 'rnb':3 'turntablism':4 'zero':5
                                    'search_combo'  'afro':7C 'an':6C 'benga':3B 'diary':4C 'hip':14 'hiphop':9 'hop':15 'm2':2A 'of':5C 'rap':10 'rnb':11 'turntablism':12 'warrior':8C 'zero':1A,13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'dub', 'grime', 'dubstep', 'bass']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586937.4357433  (2021-05-09 21:02:17)
                             'size'  9448043