======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '284'
                                          'artist'  'PUFFY'
                                     'text_people'  ''
                                         'release'  'amiyumi'
                                           'title'  'Sakura Saku'
                                           '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'  '3'
                                      'tracktotal'  '7'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '100.505'
                                             'key'  '8A'
                                        'acoustid'  '794f6628-593a-4277-a2cf-0ca96dc2d336'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '7+5BF6AFC0C3BDCAC945E40E293B'
'COMM:iTunes_CDDB_IDs:eng'                          '7+5BF6AFC0C3BDCAC945E40E293B23D684+5153566'
'TALB' (Album/Movie/Show title)                     'amiyumi'
'TBPM' (BPM (beats per minute))                     '100.505'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-22'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Sakura Saku'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'PUFFY'
'TPE2' (Band/orchestra/accompaniment)               'PUFFY'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'PUFFY'
'TSOP' (Performer sort order)                       'PUFFY'
'TXXX:Acoustid Id'                                  '794f6628-593a-4277-a2cf-0ca96dc2d336'
'TXXX:Artists'                                      'PUFFY'
'TXXX:MusicBrainz Album Artist Id'                  'ed8e205b-2b03-48f8-b068-37b7a553fdad'
'TXXX:MusicBrainz Album Id'                         '4b7c4960-7f89-42c7-9452-2c44f5f70329'
'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'                 '75fe23e1-9f08-32b7-8fae-53c7b1af499e'
'TXXX:MusicBrainz Release Track Id'                 'd3f734c4-2418-39c5-8437-cd7375012381'
'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'                                 '1996'
'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'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.542524'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ca1257da-0c7a-447b-9b4d-a3c3bdac01b5')

========================== row from database ==========================
                                              'id'  1532274
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Puffy/Puffy AmiYumi - The Baker_s Dozen/Puffy - AmiYumi/Puffy - AmiYumi - 03 - Sakura Saku.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  284
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  11395769
                                           'mtime'  1622821810
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Puffy Puffy AmiYumi The Baker_s Dozen Puffy AmiYumi Puffy AmiYumi 03 loc asia japan;loc asia japan jpop
                                      'tag_artist'  PUFFY
                                     'tag_release'  amiyumi
                                       'tag_title'  Sakura Saku
                                             'bpm'  100.505
                                    'search_title'  'saku':2 'sakura':1
                                   'search_artist'  'puffy':1
                                  'search_release'  'amiyumi':1
                                     'search_rest'  '00asia':1 'ami':16 'amiyumi':3 'asia':9 'baker':5 'dozen':7 'japan':10,12,14 'jpop':15 'loc':8,11,13 'puffy':2 's':6 'the':4 'yumi':17
                                    'search_combo'  '00asia':5 'ami':20 'amiyumi':4C,7 'asia':13 'baker':9 'dozen':11 'japan':14,16,18 'jpop':19 'loc':12,15,17 'puffy':3B,6 's':10 'saku':2A 'sakura':1A 'the':8 'yumi':21
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           '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'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821810.042796  (2021-06-04 17:50:10)
                             'size'  11395769