======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '165'
                                          'artist'  'Kiyohiko Senba & His Haniwa Allstars'
                                     'text_people'  ''
                                         'release'  'Haniwa '
                                           'title'  'うーん、こわいの'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '90.776'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000043A 000003BF 00005865 0000273D 0001ABA7 000124A7 00008003 0000741D '
 '00026BCB 0000F378')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000924 00000000006F1ECC 00000000 00508FAD 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+0BFA227DBA129540D93B4D2213454371+3144627'
'TALB' (Album/Movie/Show title)                     'Haniwa '
'TBPM' (BPM (beats per minute))                     '90.776'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'うーん、こわいの'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kiyohiko Senba & His Haniwa Allstars'
'TRCK' (Track number/Position in set)               '4/10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.598961'

========================== row from database ==========================
                                              'id'  1393808
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Kiyohiko Senba & His Haniwa Allstars (仙波清彦とはにわオールスターズ) - Haniwa はにわ (1983)/4.うーん、こわいの.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  165
                                           'genre'  loc-asia-japan
                                        'filesize'  5288558
                                           'mtime'  1637330157
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia (仙波清彦とはにわオールスターズ) はにわ (1983) 4.うーん、こわいの loc asia japan
                                      'tag_artist'  Kiyohiko Senba & His Haniwa Allstars
                                     'tag_release'  Haniwa 
                                       'tag_title'  うーん、こわいの
                                             'bpm'  90.776
                                    'search_title'  'kowaino':5 'un':3,4 'うーん':1 'こわいの':2
                                   'search_artist'  'allstars':5 'haniwa':4 'his':3 'kiyohiko':1 'senba':2
                                  'search_release'  'haniwa':1
                                     'search_rest'  '00asia':1 '1983':8,9 '4':10,15 '4un':17 '4うーん':13 'asia':20 'haniwa':7 'japan':21 'kowaino':18 'loc':19 'un':16 'うーん':11 'こわいの':12,14 'はにわ':6 '仙波清彦tohaniwaorusutasu':4,5 '仙波清彦とはにわオールスターズ':2,3
                                    'search_combo'  '00asia':12 '1983':19,20 '4':21,26 '4un':28 '4うーん':24 'allstars':10B 'asia':31 'haniwa':9B,11C,18 'his':8B 'japan':32 'kiyohiko':6B 'kowaino':5A,29 'loc':30 'senba':7B 'un':3A,4A,27 'うーん':1A,22 'こわいの':2A,23,25 'はにわ':17 '仙波清彦tohaniwaorusutasu':15,16 '仙波清彦とはにわオールスターズ':13,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330156.7759147  (2021-11-19 14:55:56)
                             'size'  5288558