======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '144'
                                          'artist'  'Klaha'
                                     'text_people'  ''
                                         'release'  'Setsubou'
                                           'title'  'Gekkou [Highly Emotional] ~Instrumental~'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', 'Q-PIANO-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']"
                                     'discogstags'  "['j-pop', 'pop', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '126.647'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000880 000006CB 00001BC0'
'COMM:iTunNORM:eng'                                 (' 00000880 000006CB 00001BC0 000016F5 0001ADC7 0001ADC7 000072A5 00006CE2 '
 '0001FC15 0001ADC7')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Setsubou'
'TBPM' (BPM (beats per minute))                     '126.647'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Gekkou [Highly Emotional] ~Instrumental~'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaha'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['j-pop', 'pop', 'ballad']
'TXXX:lastfmtags'                                   ['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.497179'

========================== row from database ==========================
                                              'id'  1377464
                                            'path'  /data/Music/Bulk/00poprockelectronic/Klaha/Setsubou/03 Gekkou [Highly Emotional] ~Instru.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  144
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  3474342
                                           'mtime'  1620353500
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 loc asia japan;loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  Klaha
                                     'tag_release'  Setsubou
                                       'tag_title'  Gekkou [Highly Emotional] ~Instrumental~
                                             'bpm'  126.647
                                    'search_title'  'emotional':4,5 'gekkou':1 'highly':2,3 'instrumental':6
                                   'search_artist'  'klaha':1
                                  'search_release'  'setsubou':1
                                     'search_rest'  '00poprockelectronic':1 'asia':3 'japan':4,6,8 'jrock':9 'loc':2,5,7 'pl':14 'sced':15 'set':11,13 'visualkei':10,12
                                    'search_combo'  '00poprockelectronic':9 'asia':11 'emotional':4A,5A 'gekkou':1A 'highly':2A,3A 'instrumental':6A 'japan':12,14,16 'jrock':17 'klaha':7B 'loc':10,13,15 'pl':22 'sced':23 'set':19,21 'setsubou':8C 'visualkei':18,20
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['j-pop', 'pop', 'ballad']

============================== file details ==============================
                                           'mtime'  1620353500.1542568  (2021-05-07 04:11:40)
                             'size'  3474342