======================== unified (from filesystem) ========================
                                         'bitrate'  '214.123'
                                        'duration'  '169'
                                          'artist'  'YMCK'
                                     'text_people'  ''
                                         'release'  'Family Racing (bonus disc)'
                                           'title'  'ファミリーレーシング(アコースティックバージョン)'
                                           '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-PIANO-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '5'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '99'
                                             'key'  '5B'
                                        'acoustid'  '558f8973-c795-42e5-8f50-27d495f1ec89'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Family Racing (bonus disc)'
'TBPM' (BPM (beats per minute))                     '99'
'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)         'ファミリーレーシング(アコースティックバージョン)'
'TKEY' (Initial key)                                '5B'
'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)               '1/5'
'TSO2'                                              'YMCK'
'TSOP' (Performer sort order)                       'YMCK'
'TXXX:Acoustid Id'                                  '558f8973-c795-42e5-8f50-27d495f1ec89'
'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'                 '567f56fe-9e35-308d-b8fa-3f7bda672c9d'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.453786'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'69d671e7-c59f-48b6-a785-44382cd3de26')

========================== row from database ==========================
                                              'id'  928283
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/Family Racing/Family Racing Bonus CD/01 Family Racing (Acoustic Version) (Performances by Yokemura (Piano) and Shima (Trumpet)).mp3
                                         'working'  None
                                         'bitrate'  214
                                    'duration_sec'  169
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  4547437
                                           'mtime'  1621489977
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Bonus CD 01 (Acoustic Version) (Performances by Yokemura (Piano) and Shima (Trumpet)) 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'  ファミリーレーシング(アコースティックバージョン)
                                             'bpm'  99.0
                                    'search_title'  'akosuteitukuhasiyon':5 'huamiriresinku':4 'huamiriresinkuakosuteitukuhasiyon':6 'アコースティックバージョン':2 'ファミリーレーシング':1 'ファミリーレーシングアコースティックバージョン':3
                                   'search_artist'  'ymck':1
                                  'search_release'  'bonus':3,4 'disc':5,6 'family':1 'racing':2
                                     'search_rest'  '00asia':1 'acoustic':4,5 'and':14 'asia':19 'beeps':30 'bonus':2 'by':10 'cd':3 'chip':32 'electronic':26,28 'japan':20,22,24 'jpop':25,27 'loc':18,21,23 'or':31 'performances':8,9 'piano':12,13 'pico':33 'shima':15 'trumpet':16,17 'version':6,7 'we':29 'yokemura':11
                                    'search_combo'  '00asia':14 'acoustic':17,18 'akosuteitukuhasiyon':5A 'and':27 'asia':32 'beeps':43 'bonus':10C,11C,15 'by':23 'cd':16 'chip':45 'disc':12C,13C 'electronic':39,41 'family':8C 'huamiriresinku':4A 'huamiriresinkuakosuteitukuhasiyon':6A 'japan':33,35,37 'jpop':38,40 'loc':31,34,36 'or':44 'performances':21,22 'piano':25,26 'pico':46 'racing':9C 'shima':28 'trumpet':29,30 'version':19,20 'we':42 'ymck':7B 'yokemura':24 'アコースティックバージョン':2A 'ファミリーレーシング':1A 'ファミリーレーシングアコースティックバージョン':3A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621489976.8232186  (2021-05-20 07:52:56)
                             'size'  4547437