======================== unified (from filesystem) ========================
                                         'bitrate'  '193.501'
                                        'duration'  '239'
                                          'artist'  'Scoobie Do'
                                     'text_people'  '松木泰二郎'
                                         'release'  'Beautiful Days'
                                           'title'  'パレード'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j funk', 'j rock', 'japanese', 'funk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '13'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;set-pl-sced'
                                             'bpm'  '139.466'
                                             'key'  '3A'
                                        'acoustid'  'e90badec-b5df-4435-8fb4-3f4e843f5744'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beautiful Days'
'TBPM' (BPM (beats per minute))                     '139.466'
'TCOM' (Composer)                                   '松木泰二郎'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-07-21'
'TIT2' (Title/songname/content description)         'パレード'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scoobie Do'
'TPE2' (Band/orchestra/accompaniment)               'Scoobie Do'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/13'
'TSO2'                                              'Scoobie Do'
'TSOP' (Performer sort order)                       'Scoobie Do'
'TXXX:Acoustid Id'                                  'e90badec-b5df-4435-8fb4-3f4e843f5744'
'TXXX:Artists'                                      'Scoobie Do'
'TXXX:Encoding Params'                              'vers'
'TXXX:MusicBrainz Album Artist Id'                  '90952072-a2a5-44cc-afb6-f7cf5808e215'
'TXXX:MusicBrainz Album Id'                         '811a5e84-8f9d-41c9-b677-f3758ad884e9'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '90952072-a2a5-44cc-afb6-f7cf5808e215'
'TXXX:MusicBrainz Release Group Id'                 'b10570a0-8393-32a0-b0b4-f37911abb6dc'
'TXXX:MusicBrainz Release Track Id'                 '73fc5e03-17a3-327a-9bfc-3fadc8f668cc'
'TXXX:MusicBrainz Track Id'                         '93a7f182-5b4b-492a-b21e-16ccaee0e5e5'
'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'                                       'Jpan'
'TXXX:UFIDhttp://www.cddb.com/id3/taginfo1.html'    '3CD3N72R61019774V68B3FB7D33585D96E0FDB8EE8C358D2FC9P0'
'TXXX:lastfmtags'                                   ['j funk', 'j rock', 'japanese', 'funk', 'rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.286975'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'93a7f182-5b4b-492a-b21e-16ccaee0e5e5')

========================== row from database ==========================
                                              'id'  1401174
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Beautiful Days/03 パレード.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  239
                                           'genre'  loc-asia-japan;set-pl-sced
                                        'filesize'  5828975
                                           'mtime'  1637019844
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 03 loc asia japan;set pl sced
                                      'tag_artist'  Scoobie Do
                                     'tag_release'  Beautiful Days
                                       'tag_title'  パレード
                                             'bpm'  139.466
                                    'search_title'  'hareto':2 'パレード':1
                                   'search_artist'  'do':2 'scoobie':1
                                  'search_release'  'beautiful':1 'days':2
                                     'search_rest'  '00asia':1 'asia':3 'japan':4,6 'loc':2 'pl':8 'sced':9 'set':5,7
                                    'search_combo'  '00asia':7 'asia':9 'beautiful':5C 'days':6C 'do':4B 'hareto':2A 'japan':10,12 'loc':8 'pl':14 'sced':15 'scoobie':3B 'set':11,13 'パレード':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j funk', 'j rock', 'japanese', 'funk', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637019844.4451275  (2021-11-16 00:44:04)
                             'size'  5828975