======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'PUFFY'
                                     'text_people'  ''
                                         'release'  'SoloSolo'
                                           'title'  'Ai No Aura'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '94'
                                             'key'  '4A'
                                        'acoustid'  '34856461-1c11-416d-a440-5811e99a8b5e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '7+C53FBA643A193F2323107AE5D7'
'COMM:iTunes_CDDB_IDs:eng'                          '7+C53FBA643A193F2323107AE5D7D69D07+1070171'
'TALB' (Album/Movie/Show title)                     'SoloSolo'
'TBPM' (BPM (beats per minute))                     '94'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-08-06'
'TENC' (Encoded by)                                 'iTunes v6.0.3.5'
'TIT2' (Title/songname/content description)         'Ai No Aura'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'PUFFY'
'TPE2' (Band/orchestra/accompaniment)               'PUFFY'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'PUFFY'
'TSOP' (Performer sort order)                       'PUFFY'
'TSRC' (ISRC (international standard recording code))  'JPES09701772'
'TSST' (Set subtitle)                               'Yumi'
'TXXX:Acoustid Id'                                  '34856461-1c11-416d-a440-5811e99a8b5e'
'TXXX:Artists'                                      'PUFFY'
'TXXX:MusicBrainz Album Artist Id'                  'ed8e205b-2b03-48f8-b068-37b7a553fdad'
'TXXX:MusicBrainz Album Id'                         '9b78158a-f0bb-42de-be02-6cec6fe067a9'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ed8e205b-2b03-48f8-b068-37b7a553fdad'
'TXXX:MusicBrainz Release Group Id'                 '97a47949-5b6b-3273-977a-bc560a0e1fcd'
'TXXX:MusicBrainz Release Track Id'                 'eef1b6cc-49f9-3344-975c-485741d86f35'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.386361'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2b840d34-60a1-4a45-93e9-28b00ec67769')

========================== row from database ==========================
                                              'id'  1523782
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Puffy/Puffy AmiYumi - The Baker_s Dozen/Puffy - SoloSolo/Puffy - SoloSolo - 2 - 06 - 愛のオーラ - 吉村由美 (Yoshimura Yumi).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  8230987
                                           'mtime'  1622821831
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Puffy Puffy AmiYumi The Baker_s Dozen Puffy Puffy 2 06 愛のオーラ 吉村由美 (Yoshimura Yumi) loc asia japan;loc asia japan jpop
                                      'tag_artist'  PUFFY
                                     'tag_release'  SoloSolo
                                       'tag_title'  Ai No Aura
                                             'bpm'  94.0
                                    'search_title'  'ai':1 'aura':3 'no':2
                                   'search_artist'  'puffy':1
                                  'search_release'  'solo':2 'solosolo':1
                                     'search_rest'  '00asia':1 '2':8 'ami':24 'amiyumi':3 'asia':17 'baker':5 'dozen':7 'japan':18,20,22 'jpop':23 'loc':16,19,21 'puffy':2 's':6 'the':4 'yoshimura':12,13 'yumi':14,15 '吉村由美':11 '愛noora':10 '愛のオーラ':9
                                    'search_combo'  '00asia':7 '2':14 'ai':1A 'ami':30 'amiyumi':9 'asia':23 'aura':3A 'baker':11 'dozen':13 'japan':24,26,28 'jpop':29 'loc':22,25,27 'no':2A 'puffy':4B,8 's':12 'solo':6C 'solosolo':5C 'the':10 'yoshimura':18,19 'yumi':20,21 '吉村由美':17 '愛noora':16 '愛のオーラ':15
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821831.3347735  (2021-06-04 17:50:31)
                             'size'  8230987