======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '249'
                                          'artist'  'YMCK'
                                     'text_people'  'Yokemura'
                                         'release'  'Family Racing'
                                           'title'  'Kira * Kira'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '8'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '112.0'
                                             'key'  '11B'
                                        'acoustid'  '60dab20c-1115-4e34-b4ba-2641d26ca685'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001027 00001043 000064E8'
'COMM:iTunNORM:eng'                                 (' 00001027 00001043 000064E8 00005ED3 0000DC1A 0000DC1A 00008DC4 00008DA7 '
 '0001E78D 0001A814')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A68 0000000000A82808 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '8+773A8C03F14C715B9452C5C324E2D2E3+6563930'
'TALB' (Album/Movie/Show title)                     'Family Racing'
'TBPM' (BPM (beats per minute))                     '112.0'
'TCOM' (Composer)                                   'Yokemura'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop', 'electronic-we-beeps or chip or pico']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         'Kira * Kira'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'YMCK'
'TPE2' (Band/orchestra/accompaniment)               'YMCK'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/8'
'TSO2'                                              'YMCK'
'TSOP' (Performer sort order)                       'YMCK'
'TXXX:Acoustid Id'                                  '60dab20c-1115-4e34-b4ba-2641d26ca685'
'TXXX:Artists'                                      'YMCK'
'TXXX:MusicBrainz Album Artist Id'                  '3bd74fdb-a35e-4cad-bdd2-f2944c9db3d3'
'TXXX:MusicBrainz Album Id'                         'c555df63-b51c-4bd0-aaf5-3a2a2b08e04e'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3bd74fdb-a35e-4cad-bdd2-f2944c9db3d3'
'TXXX:MusicBrainz Release Group Id'                 '9c3a9605-f097-3b4c-ba69-312f2e3a13ea'
'TXXX:MusicBrainz Release Track Id'                 '36cd01fd-1a45-4661-a58e-7a6c574773a3'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
'TXXX:originalyear'                                 '2005'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.01 dB'
'TXXX:replaygain_track_peak'                        '0.412352'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2785930e-8d1a-4d22-a72b-3b20b3dd0aea')

========================== row from database ==========================
                                              'id'  926960
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/[2005] FAMILY RACING/08 キラ＊キラ.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  249
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  6027427
                                           'mtime'  1621489976
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2005] FAMILY RACING 08 キラ＊キラ loc asia japan;loc asia japan jpop;electronic we beeps or chip or pico
                                      'tag_artist'  YMCK
                                     'tag_release'  Family Racing
                                       'tag_title'  Kira * Kira
                                             'bpm'  112.0
                                    'search_title'  'kira':1
                                   'search_artist'  'ymck':1
                                  'search_release'  'family':1 'racing':2
                                     'search_rest'  '00asia':1 '2005':2,3 'asia':12 'beeps':23 'chip':25 'electronic':19,21 'family':4 'japan':13,15,17 'jpop':18,20 'kira':8,9 'kirakira':10 'loc':11,14,16 'or':24 'pico':26 'racing':5 'we':22 'キラ':6,7
                                    'search_combo'  '00asia':5 '2005':6,7 'asia':16 'beeps':27 'chip':29 'electronic':23,25 'family':3C,8 'japan':17,19,21 'jpop':22,24 'kira':1A,12,13 'kirakira':14 'loc':15,18,20 'or':28 'pico':30 'racing':4C,9 'we':26 'ymck':2B 'キラ':10,11
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621489976.0703297  (2021-05-20 07:52:56)
                             'size'  6027427