======================== unified (from filesystem) ========================
                                         'bitrate'  '223.258'
                                        'duration'  '258'
                                          'artist'  'YMCK'
                                     'text_people'  ''
                                         'release'  'Family Racing (bonus disc)'
                                           'title'  'ジョン・コルトレーンは回転木馬の夢を見るか(ELECTONE MIX)'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '110'
                                             'key'  '3A'
                                        'acoustid'  '5407826f-6ec6-4208-a84a-57faa3d98931'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Family Racing (bonus disc)'
'TBPM' (BPM (beats per minute))                     '110'
'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)                             '2005-12-21'
'TIT2' (Title/songname/content description)         'ジョン・コルトレーンは回転木馬の夢を見るか(ELECTONE MIX)'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'YMCK'
'TPE2' (Band/orchestra/accompaniment)               'YMCK'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'USAGI-CHANG RECORDS'
'TRCK' (Track number/Position in set)               '4/5'
'TSO2'                                              'YMCK'
'TSOP' (Performer sort order)                       'YMCK'
'TXXX:Acoustid Id'                                  '5407826f-6ec6-4208-a84a-57faa3d98931'
'TXXX:Artists'                                      'YMCK'
'TXXX:CATALOGNUMBER'                                'USGB-006'
'TXXX:MusicBrainz Album Artist Id'                  '3bd74fdb-a35e-4cad-bdd2-f2944c9db3d3'
'TXXX:MusicBrainz Album Id'                         '8ae3a5ca-b749-4e19-ad6e-af6b1fc21a8b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'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'                 'a256b3b1-f227-389b-8b80-ce61d0a80035'
'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'                                       'Jpan'
'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'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.482215'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'18359ee8-64f9-484c-a672-f19c2d077886')

========================== row from database ==========================
                                              'id'  930291
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/Family Racing/Family Racing Bonus CD/04 John Coltrane wa kaiten mokuba no yume o miru ka (Electone Mix) (Remixed by Far East Recording).mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  258
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  7219907
                                           'mtime'  1621489977
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Bonus CD 04 John Coltrane wa kaiten mokuba no yume miru ka (Electone Mix) (Remixed by Far East Recording) loc asia japan;loc asia japan jpop;electronic we beeps or chip or pico
                                      'tag_artist'  YMCK
                                     'tag_release'  Family Racing (bonus disc)
                                       'tag_title'  ジョン・コルトレーンは回転木馬の夢を見るか(ELECTONE MIX)
                                             'bpm'  110.0
                                    'search_title'  'electone':3,8 'korutorenha回転木馬no夢wo見ruka':7 'korutorenha回転木馬no夢wo見rukaelectone':9 'mix':10,11 'siyon':6 'コルトレーンは回転木馬の夢を見るか':2 'コルトレーンは回転木馬の夢を見るかelectone':5 'ジョン':1,4
                                   'search_artist'  'ymck':1
                                  'search_release'  'bonus':3,4 'disc':5,6 'family':1 'racing':2
                                     'search_rest'  '00asia':1 'asia':25 'beeps':36 'bonus':2 'by':19 'cd':3 'chip':38 'coltrane':5 'east':21 'electone':13,14 'electronic':32,34 'far':20 'japan':26,28,30 'john':4 'jpop':31,33 'ka':12 'kaiten':7 'loc':24,27,29 'miru':11 'mix':15,16 'mokuba':8 'no':9 'or':37 'pico':39 'recording':22,23 'remixed':17,18 'wa':6 'we':35 'yume':10
                                    'search_combo'  '00asia':19 'asia':43 'beeps':54 'bonus':15C,16C,20 'by':37 'cd':21 'chip':56 'coltrane':23 'disc':17C,18C 'east':39 'electone':3A,8A,31,32 'electronic':50,52 'family':13C 'far':38 'japan':44,46,48 'john':22 'jpop':49,51 'ka':30 'kaiten':25 'korutorenha回転木馬no夢wo見ruka':7A 'korutorenha回転木馬no夢wo見rukaelectone':9A 'loc':42,45,47 'miru':29 'mix':10A,11A,33,34 'mokuba':26 'no':27 'or':55 'pico':57 'racing':14C 'recording':40,41 'remixed':35,36 'siyon':6A 'wa':24 'we':53 'ymck':12B 'yume':28 'コルトレーンは回転木馬の夢を見るか':2A 'コルトレーンは回転木馬の夢を見るかelectone':5A 'ジョン':1A,4A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', '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'  1621489976.8534865  (2021-05-20 07:52:56)
                             'size'  7219907