======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '276'
                                          'artist'  'MONGOL 800'
                                     'text_people'  ''
                                         'release'  'Momo'
                                           'title'  'Itsu no Hi ka'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '115.130'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Momo'
'TBPM' (BPM (beats per minute))                     '115.130'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Itsu no Hi ka'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'MONGOL 800'
'TPE2' (Band/orchestra/accompaniment)               'MONGOL 800'
'TPUB' (Publisher)                                  'ハイウェーブ'
'TRCK' (Track number/Position in set)               '8'
'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:lastfmtags'                                   ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.447687'

========================== row from database ==========================
                                              'id'  933679
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/MONGOL 800/Momo/8.Itsu no Hi ka.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  276
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  4429241
                                           'mtime'  1637020220
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 8.Itsu loc asia japan;loc asia japan jrock
                                      'tag_artist'  MONGOL 800
                                     'tag_release'  Momo
                                       'tag_title'  Itsu no Hi ka
                                             'bpm'  115.13
                                    'search_title'  'hi':3 'itsu':1 'ka':4 'no':2
                                   'search_artist'  '800':2 'mongol':1
                                  'search_release'  'momo':1
                                     'search_rest'  '00asia':1 '8':2 '8itsu':4 'asia':6 'itsu':3 'japan':7,9,11 'jrock':12 'loc':5,8,10
                                    'search_combo'  '00asia':8 '8':9 '800':6B '8itsu':11 'asia':13 'hi':3A 'itsu':1A,10 'japan':14,16,18 'jrock':19 'ka':4A 'loc':12,15,17 'momo':7C 'mongol':5B 'no':2A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020220.438689  (2021-11-16 00:50:20)
                             'size'  4429241