======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Clammbon'
                                     'text_people'  ''
                                         'release'  'JP'
                                           'title'  'Kumoyuki'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['japanese', 'pop', 'female vocalists', 'j-pop', 'clammbon']"
                                     'discogstags'  "['j-pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '103.431'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Track 9'
'COMM:ID3v1 Comment:XXX'                            'Track 9'
'TALB' (Album/Movie/Show title)                     'JP'
'TBPM' (BPM (beats per minute))                     '103.431'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (ƒZƒLƒ…ƒAƒ‚\x81[ƒh)'
'TIT2' (Title/songname/content description)         'Kumoyuki'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clammbon'
'TRCK' (Track number/Position in set)               '09/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['j-pop', 'pop']
'TXXX:lastfmtags'                                   ['japanese', 'pop', 'female vocalists', 'j-pop', 'clammbon']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.330579'

========================== row from database ==========================
                                              'id'  1374634
                                            'path'  /data/Music/Bulk/00localcharacter/Clammbon - 1999 - JP [320]/09.Kumoyuki.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  8197343
                                           'mtime'  1622821727
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 1999 [320] 09.Kumoyuki loc asia japan;loc asia japan jpop
                                      'tag_artist'  Clammbon
                                     'tag_release'  JP
                                       'tag_title'  Kumoyuki
                                             'bpm'  103.431
                                    'search_title'  'kumoyuki':1
                                   'search_artist'  'clammbon':1
                                  'search_release'  'jp':1
                                     'search_rest'  '09':4 '09kumoyuki':6 '1999':1 '320':2,3 'asia':8 'japan':9,11,13 'jpop':14 'kumoyuki':5 'loc':7,10,12
                                    'search_combo'  '09':7 '09kumoyuki':9 '1999':4 '320':5,6 'asia':11 'clammbon':2B 'japan':12,14,16 'jp':3C 'jpop':17 'kumoyuki':1A,8 'loc':10,13,15
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'pop', 'female vocalists', 'j-pop', 'clammbon']
                                        'tag_date'  1999
                                     'discogstags'  ['j-pop', 'pop']

============================== file details ==============================
                                           'mtime'  1622821727.4514682  (2021-06-04 17:48:47)
                             'size'  8197343