======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '321'
                                          'artist'  'ZI:KILL'
                                     'text_people'  ''
                                         'release'  'DISGRACE-THE BEST'
                                           'title'  'I'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['post punk', 'rock', 'visual kei', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '140.335'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000063B 0000055A 0000200B'
'COMM:iTunNORM:eng'                                 (' 0000063B 0000055A 0000200B 000018CD 0003F7CE 000445D7 000069E8 00006CA8 '
 '000445D7 0003829E')
'TALB' (Album/Movie/Show title)                     'DISGRACE-THE BEST'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'I'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'ZI:KILL'
'TPE2' (Band/orchestra/accompaniment)               'ZI:KILL'
'TRCK' (Track number/Position in set)               '13'
'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'                                   ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
'TXXX:other'                                        '1992'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.576824'

========================== row from database ==========================
                                              'id'  930310
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ZI_KILL/[1992] DISGRACE-THE BEST/13 I 4 U.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  321
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  7732432
                                           'mtime'  1623430471
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia ZI_KILL [1992] 13 4 U loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  ZI:KILL
                                     'tag_release'  DISGRACE-THE BEST
                                       'tag_title'  I
                                             'bpm'  140.335
                                    'search_title'  'i':1
                                   'search_artist'  'kill':2 'zi':1 'zikill':3
                                  'search_release'  'best':4 'disgrace':1 'disgracethe':3 'the':2
                                     'search_rest'  '00asia':1 '1992':4,5 '4':6 'asia':9 'japan':10 'jrock':11 'kill':3 'loc':8 'pl':16 'sced':17 'set':13,15 'u':7 'visualkei':12,14 'zi':2
                                    'search_combo'  '00asia':9 '1992':12,13 '4':14 'asia':17 'best':8C 'disgrace':5C 'disgracethe':7C 'i':1A 'japan':18 'jrock':19 'kill':3B,11 'loc':16 'pl':24 'sced':25 'set':21,23 'the':6C 'u':15 'visualkei':20,22 'zi':2B,10 'zikill':4B
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430471.2018962  (2021-06-11 18:54:31)
                             'size'  7732432