======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Okumura Chiyo'
                                     'text_people'  ''
                                         'release'  "It's regrettable, but happy"
                                           'title'  'くやしいけど幸せよ'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', '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'  '3'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '88.6'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000004D2 000004AC 000080D2 0000768E 00017AAC 00017AAC 00008342 000083C8 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000774 00000000008340FC 00000000 00475FD7 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '12+E4B9793EA9BC729E10CEB8BA41A790E8+6438297'
'TALB' (Album/Movie/Show title)                     "It's regrettable, but happy"
'TBPM' (BPM (beats per minute))                     '88.6'
'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)         'くやしいけど幸せよ'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Okumura Chiyo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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'                                      '1'
'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'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.619335'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N27R15871697U158155F6061E2E6C7935E14A0652FE528CEP6')

========================== row from database ==========================
                                              'id'  1528048
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Chiyo Okumura - it_s regrettable, but happy/01 ÒüÅÒéäÒüùÒüäÒüæÒéîÒü¿ÒéÖÕ¦©ÒüøÒéê.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  loc-asia-japan
                                        'filesize'  4685291
                                           'mtime'  1622821665
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm it_s 01 ÒüÅÒéäÒüùÒüäÒüæÒéîÒü¿ÒéÖÕ¦©ÒüøÒéê loc asia japan
                                      'tag_artist'  Okumura Chiyo
                                     'tag_release'  It's regrettable, but happy
                                       'tag_title'  くやしいけど幸せよ
                                             'bpm'  88.6
                                    'search_title'  'kuyasiiketo幸seyo':2 'くやしいけど幸せよ':1
                                   'search_artist'  'chiyo':2 'okumura':1
                                  'search_release'  'but':6 'happy':7 'it':1 'its':3 'regrettable':4,5 's':2
                                     'search_rest'  'aoea':13 'asia':10 'it':1 'japan':11 'loc':9 'oe':19 'oee':22 'oei':17 'oeoo':4,7 'oo':20 'ou':12,18 'oua':15 'ouae':16 'ouaoeaouuouaouaeoeiou':6 'ouaoeaouuouaouæoeiou':3 'ouo':21 'ouooee':8 'ouu':14 'ouøoee':5 's':2
                                    'search_combo'  'aoea':24 'asia':21 'but':10C 'chiyo':4B 'happy':11C 'it':5C,12 'its':7C 'japan':22 'kuyasiiketo幸seyo':2A 'loc':20 'oe':30 'oee':33 'oei':28 'oeoo':15,18 'okumura':3B 'oo':31 'ou':23,29 'oua':26 'ouae':27 'ouaoeaouuouaouaeoeiou':17 'ouaoeaouuouaouæoeiou':14 'ouo':32 'ouooee':19 'ouu':25 'ouøoee':16 'regrettable':8C,9C 's':6C,13 'くやしいけど幸せよ':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12A
                                           '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-1', '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'  1622821665.287602  (2021-06-04 17:47:45)
                             'size'  4685291