======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '143'
                                          'artist'  'Madlib'
                                     'text_people'  ''
                                         'release'  'Medicine Show # 4: Beat Konducta In India'
                                           'title'  'Sitar Ride'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', '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-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'hip hop', 'funk', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '34'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '97.459'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000464 00000471 00003636 00002DBD 0001E8AC 0001E8AC 00007D76 00007B35 '
 '0001EB6D 0001F4D0')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009C0 000000000060CAB0 00000000 00349FD7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '34+573AEB7AC723AA32D2B85599392B38FF+9619475'
'TALB' (Album/Movie/Show title)                     'Medicine Show # 4: Beat Konducta In India'
'TBPM' (BPM (beats per minute))                     '97.459'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.3.1'
'TIT2' (Title/songname/content description)         'Sitar Ride'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madlib'
'TPE2' (Band/orchestra/accompaniment)               'Madlib'
'TRCK' (Track number/Position in set)               '16/34'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'hip hop', 'funk', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.583676'

========================== row from database ==========================
                                              'id'  1384837
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Medicine Show # 4_ Beat Konducta In India/16 Sitar Ride.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  143
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4247506
                                           'mtime'  1620586229
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 4_ 16 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Madlib
                                     'tag_release'  Medicine Show # 4: Beat Konducta In India
                                       'tag_title'  Sitar Ride
                                             'bpm'  97.459
                                    'search_title'  'ride':2 'sitar':1
                                   'search_artist'  'madlib':1
                                  'search_release'  '4':3,4 'beat':5 'in':7 'india':8 'konducta':6 'medicine':1 'show':2
                                     'search_rest'  '4':5 'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '4':6C,7C,16 'beat':8C 'hip':17 'hiphop':12 'hop':18 'in':10C 'india':11C 'konducta':9C 'madlib':3B 'medicine':4C 'or':19 'rap':13 'ride':2A 'rnb':14 'show':5C 'sitar':1A 'turntablism':15
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  4A
                                           '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-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'hip hop', 'funk', 'rap']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586229.2463279  (2021-05-09 20:50:29)
                             'size'  4247506