======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '349'
                                          'artist'  '浜田亜紀子'
                                     'text_people'  ''
                                         'release'  'キラリ'
                                           'title'  'しずく～手のひらremix～'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'female vocalists', 'japanese', 'j pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock'
                                             'bpm'  '143.721'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000C91 00000D8F 0000514F'
'COMM:iTunNORM:eng'                                 (' 00000C91 00000D8F 0000514F 000053A1 00030D57 00030D57 00007DB5 00008000 '
 '0002BF20 0002BF20')
'TALB' (Album/Movie/Show title)                     'キラリ'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-pop-jrock', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'しずく～手のひらremix～'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Akiko Hamada'
'TPE2' (Band/orchestra/accompaniment)               '浜田亜紀子'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['pop', 'female vocalists', 'japanese', 'j pop', 'rock']
'TXXX:other'                                        '2003'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.453327'

========================== row from database ==========================
                                              'id'  929618
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Akiko Hamada/[2003] キラリ/12 しずく～手のひらremix～.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  349
                                           'genre'  loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock
                                        'filesize'  8387884
                                           'mtime'  1621629101
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Akiko Hamada [2003] 12 loc asia japan;rock pop jrock;loc asia japan jrock
                                      'tag_artist'  浜田亜紀子
                                     'tag_release'  キラリ
                                       'tag_title'  しずく～手のひらremix～
                                             'bpm'  143.721
                                    'search_title'  'sisuku':3 'しずく':1 '手nohiraremix':4 '手のひらremix':2
                                   'search_artist'  '浜田亜紀子':1
                                  'search_release'  'kirari':2 'キラリ':1
                                     'search_rest'  '00asia':1 '2003':4,5 'akiko':2 'asia':7 'hamada':3 'japan':8,10,17 'jrock':13,15,18 'loc':6,14,16 'pop':12 'rock':9,11
                                    'search_combo'  '00asia':8 '2003':11,12 'akiko':9 'asia':14 'hamada':10 'japan':15,17,24 'jrock':20,22,25 'kirari':7C 'loc':13,21,23 'pop':19 'rock':16,18 'sisuku':3A 'しずく':1A 'キラリ':6C '手nohiraremix':4A '手のひらremix':2A '浜田亜紀子':5B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'female vocalists', 'japanese', 'j pop', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629100.501934  (2021-05-21 22:31:40)
                             'size'  8387884