======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '102'
                                          'artist'  'Madlib'
                                     'text_people'  ''
                                         'release'  'Medicine Show # 4: Beat Konducta In India'
                                           'title'  'Smoke Circle'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'hip hop', 'funk', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '34'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '90.090'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000932 00000A98 0000BB80 0000A8A6 000006BC 00001C78 00009077 00008DA4 '
 '00002072 00015349')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B10 000000000044FA60 00000000 00257D8E 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))                     '90.090'
'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)         'Smoke Circle'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madlib'
'TPE2' (Band/orchestra/accompaniment)               'Madlib'
'TRCK' (Track number/Position in set)               '27/34'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.467744'

========================== row from database ==========================
                                              'id'  1382196
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Medicine Show # 4_ Beat Konducta In India/27 Smoke Circle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  102
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3254066
                                           'mtime'  1620586231
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 4_ 27 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Madlib
                                     'tag_release'  Medicine Show # 4: Beat Konducta In India
                                       'tag_title'  Smoke Circle
                                             'bpm'  90.09
                                    'search_title'  'circle':2 'smoke':1
                                   'search_artist'  'madlib':1
                                  'search_release'  '4':3,4 'beat':5 'in':7 'india':8 'konducta':6 'medicine':1 'show':2
                                     'search_rest'  '27':6 '4':5 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '27':17 '4':6C,7C,16 'beat':8C 'circle':2A 'hip':18 'hiphop':12 'hop':19 'in':10C 'india':11C 'konducta':9C 'madlib':3B 'medicine':4C 'or':20 'rap':13 'rnb':14 'show':5C 'smoke':1A 'turntablism':15
                                    'tag_tracknum'  27
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'hip hop', 'funk', 'rap']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586230.5612764  (2021-05-09 20:50:30)
                             'size'  3254066