======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'M.I.A.'
                                     'text_people'  'M.I.A.'
                                         'release'  'Kala'
                                           'title'  'Come Around'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '120.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000937 00000B04 00007329 00007C65 00032CA7 00009B00 00008AD1 00008D91 '
 '0001E8C6 00017B7D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000096C 00000000009D9404 00000000 008ED759 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+6C8D7C39350149498125483900581ECC+9757482'
'TALB' (Album/Movie/Show title)                     'Kala'
'TBPM' (BPM (beats per minute))                     '120.1'
'TCOM' (Composer)                                   'M.I.A.'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.3.2'
'TIT2' (Title/songname/content description)         'Come Around'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'M.I.A.'
'TPE2' (Band/orchestra/accompaniment)               'M.I.A.'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/12'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.556259'

========================== row from database ==========================
                                              'id'  1264191
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/M.I.A. - M.I.A/Kala/12 Come Around.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9402691
                                           'mtime'  1620585585
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 12 hip hop or rnb or rap or turntablism
                                      'tag_artist'  M.I.A.
                                     'tag_release'  Kala
                                       'tag_title'  Come Around
                                             'bpm'  120.1
                                    'search_title'  'around':2 'come':1
                                   'search_artist'  'a':3 'i':2 'm':1 'mia':4
                                  'search_release'  'kala':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'a':5B 'around':2A 'come':1A 'hip':12 'hiphop':8 'hop':13 'i':4B 'kala':7C 'm':3B 'mia':6B 'or':14 'rap':9 'rnb':10 'turntablism':11
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'female vocalists', 'indie', 'electronic', 'hip hop']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620585584.8832707  (2021-05-09 20:39:44)
                             'size'  9402691