======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '212'
                                          'artist'  'ZI:KILL'
                                     'text_people'  ''
                                         'release'  'CLOSE DANCE'
                                           'title'  "WHAT'S"
                                           '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-3', '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'  '2'
                                      'tracktotal'  '11'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '134.199'
                                             'key'  '10A'
                                        'acoustid'  'd10964e7-39a0-4b78-ba3b-ad6fff2434fe'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000008E8 000007BA 000019C7'
'COMM:iTunNORM:eng'                                 (' 000008E8 000007BA 000019C7 00001851 000222F7 0001D4D7 00008000 00008000 '
 '000222F7 0000EA60')
'PRIV:AverageLevel:3\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'3\x18\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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)                     'CLOSE DANCE'
'TBPM' (BPM (beats per minute))                     '134.199'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990-03-25'
'TIT2' (Title/songname/content description)         "WHAT'S"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'ZI:KILL'
'TPE2' (Band/orchestra/accompaniment)               'ZI:KILL'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'ZI:KILL'
'TSOP' (Performer sort order)                       'ZI:KILL'
'TXXX:Acoustid Id'                                  'd10964e7-39a0-4b78-ba3b-ad6fff2434fe'
'TXXX:Artists'                                      'ZI:KILL'
'TXXX:MusicBrainz Album Artist Id'                  'fb57da84-d2fd-415e-84fa-2d47b6d0423b'
'TXXX:MusicBrainz Album Id'                         '4c3a60aa-e040-4edf-8f94-1bbd35efbc07'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fb57da84-d2fd-415e-84fa-2d47b6d0423b'
'TXXX:MusicBrainz Release Group Id'                 'dfd01843-a1c2-3fe4-b5fd-9c769122fa34'
'TXXX:MusicBrainz Release Track Id'                 '2bb31356-6e30-3ec3-b4b2-c46c65303085'
'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:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.536849'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'89ebbece-862d-4f4a-b4e0-64ad0ad73756')

========================== row from database ==========================
                                              'id'  1520061
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ZI_KILL/[1990] CLOSE DANCE/02 WHAT_S.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  212
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  5113522
                                           'mtime'  1623430476
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia ZI_KILL [1990] 02 WHAT_S loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  ZI:KILL
                                     'tag_release'  CLOSE DANCE
                                       'tag_title'  WHAT'S
                                             'bpm'  134.199
                                    'search_title'  's':2 'what':1 'whats':3
                                   'search_artist'  'kill':2 'zi':1 'zikill':3
                                  'search_release'  'close':1 'dance':2
                                     'search_rest'  '00asia':1 '1990':4,5 'asia':9 'japan':10 'jrock':11 'kill':3 'loc':8 'pl':16 's':7 'sced':17 'set':13,15 'visualkei':12,14 'what':6 'zi':2
                                    'search_combo'  '00asia':9 '1990':12,13 'asia':17 'close':7C 'dance':8C 'japan':18 'jrock':19 'kill':5B,11 'loc':16 'pl':24 's':2A,15 'sced':25 'set':21,23 'visualkei':20,22 'what':1A,14 'whats':3A 'zi':4B,10 'zikill':6B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', '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'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430476.2729917  (2021-06-11 18:54:36)
                             'size'  5113522