======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '229'
                                          'artist'  'Plastic Tree'
                                     'text_people'  ''
                                         'release'  'Chandelier'
                                           'title'  '37\x03'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jrock', 'visual kei', 'japanese', 'rock', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '114.221'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         [' 00001589 00000CB2 000103D0 0000C5E6 0003062F 00033C0F 00008F9E 00008FC6 '
 '00028A00 000233C6',
 ' 00000000 00000210 000006F0 00000000009A1700 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            ' 00001589 00000CB2 000103D0'
'COMM:iTunNORM:eng'                                 (' 00001214 00001274 00006653 00004C8B 0002E65E 0002E65E 00008000 00008000 '
 '0001D4D7 0001D4D7')
'TALB' (Album/Movie/Show title)                     'Chandelier'
'TBPM' (BPM (beats per minute))                     '114.221'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         '37\x03'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Plastic Tree'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.464949'

========================== row from database ==========================
                                              'id'  1369784
                                            'path'  /data/Music/Bulk/00localcharacter/Plastic Tree/Chandelier/07 37℃.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  229
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  3666844
                                           'mtime'  1637330177
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 07 37℃ loc asia japan;loc asia japan jrock
                                      'tag_artist'  Plastic Tree
                                     'tag_release'  Chandelier
                                       'tag_title'  37
                                             'bpm'  114.221
                                    'search_title'  '37':1
                                   'search_artist'  'plastic':1 'tree':2
                                  'search_release'  'chandelier':1
                                     'search_rest'  '37':1,2 'asia':5 'c':3 'japan':6,8,10 'jrock':11 'loc':4,7,9
                                    'search_combo'  '37':1A,5,6 'asia':9 'c':7 'chandelier':4C 'japan':10,12,14 'jrock':15 'loc':8,11,13 'plastic':2B 'tree':3B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', '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-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'visual kei', 'japanese', 'rock', 'j rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330176.6527562  (2021-11-19 14:56:16)
                             'size'  3666844