======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'Okumura Chiyo'
                                     'text_people'  ''
                                         'release'  "It's regrettable, but happy"
                                           'title'  'いたずら'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japan', 'kayoukyoku', 'female vocalists', 'japanese']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '116.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000004F3 00000573 00004585 0000383D 00021F29 0000890A 000083CC 00008182 '
 '0001CA5E 0000620F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008E8 00000000007C8408 00000000 0043B5E1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+E4B9793EA9BC729E10CEB8BA41A790E8+6438297'
'TALB' (Album/Movie/Show title)                     "It's regrettable, but happy"
'TBPM' (BPM (beats per minute))                     '116.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes 8.1.1'
'TIT2' (Title/songname/content description)         'いたずら'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Okumura Chiyo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japan', 'kayoukyoku', 'female vocalists', 'japanese']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.644909'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N79R15871713V888368F3EE71610A3968CBA0E2E3C59A43P2')

========================== row from database ==========================
                                              'id'  1523229
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Chiyo Okumura - it_s regrettable, but happy/10 ÒüäÒüƒÒüñÒéÖÒéë.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  loc-asia-japan
                                        'filesize'  4445164
                                           'mtime'  1622821666
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm it_s 10 ÒüäÒüƒÒüñÒéÖÒéë loc asia japan
                                      'tag_artist'  Okumura Chiyo
                                     'tag_release'  It's regrettable, but happy
                                       'tag_title'  いたずら
                                             'bpm'  116.8
                                    'search_title'  'itasura':2 'いたずら':1
                                   'search_artist'  'chiyo':2 'okumura':1
                                  'search_release'  'but':6 'happy':7 'it':1 'its':3 'regrettable':4,5 's':2
                                     'search_rest'  'asia':6 'it':1 'japan':7 'loc':5 'oe':10 'ooee':11 'oua':8 'ouaouƒounoeooee':3,4 'ouƒoun':9 's':2
                                    'search_combo'  'asia':17 'but':10C 'chiyo':4B 'happy':11C 'it':5C,12 'itasura':2A 'its':7C 'japan':18 'loc':16 'oe':21 'okumura':3B 'ooee':22 'oua':19 'ouaouƒounoeooee':14,15 'ouƒoun':20 'regrettable':8C,9C 's':6C,13 'いたずら':1A
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japan', 'kayoukyoku', 'female vocalists', 'japanese']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821665.9194386  (2021-06-04 17:47:45)
                             'size'  4445164