======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '309'
                                          'artist'  'ZI:KILL'
                                     'text_people'  ''
                                         'release'  'DESERT TOWN'
                                           'title'  '少年の詩'
                                           '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-2', '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'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '86.845'
                                             'key'  '9A'
                                        'acoustid'  'd3e5e6bd-d059-404d-88a7-5a1d4900348a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000312 0000030F 000018DA'
'COMM:iTunNORM:eng'                                 (' 00000312 0000030F 000018DA 00001D6F 00041EC7 00041EC7 00005D14 000065B6 '
 '0001ADDE 0001ADDE')
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x00B\x006\x00+\x002\x00A\x00F\x00F\x00+\x006\x001\x00B\x00E\x00+\x00C\x00C\x00C\x009\x00+\x001\x000\x004\x00E\x00D\x00+\x001\x003\x00C\x007\x00C\x00+\x001\x009\x007\x003\x000\x00+\x001\x00F\x007\x005\x00C\x00+\x002\x003\x006\x007\x00C\x00+\x002\x00A\x007\x000\x00B\x00+\x003\x000\x000\x009\x005\x00\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')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'DESERT TOWN'
'TBPM' (BPM (beats per minute))                     '86.845'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991-03-21'
'TIT2' (Title/songname/content description)         '少年の詩'
'TKEY' (Initial key)                                '9A'
'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)               '6/10'
'TSO2'                                              'ZI:KILL'
'TSOP' (Performer sort order)                       'ZI:KILL'
'TXXX:Acoustid Id'                                  'd3e5e6bd-d059-404d-88a7-5a1d4900348a'
'TXXX:Artists'                                      'ZI:KILL'
'TXXX:MusicBrainz Album Artist Id'                  'fb57da84-d2fd-415e-84fa-2d47b6d0423b'
'TXXX:MusicBrainz Album Id'                         'a3c2b1ff-78fd-4a5c-aa23-54519c4be900'
'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'                 '6c0070f7-06e7-35e8-8928-5f57813c66d5'
'TXXX:MusicBrainz Release Track Id'                 '0ed69fb7-b44c-3c7a-a29d-d121ed8dea79'
'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'                                 '1991'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.894091'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3d7a89a6-5721-4acf-a0d7-8f303eb520b3')

========================== row from database ==========================
                                              'id'  928385
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ZI_KILL/[1991] DESERT TOWN/06 少年の詩.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  309
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  4989814
                                           'mtime'  1623430475
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia ZI_KILL [1991] 06 loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  ZI:KILL
                                     'tag_release'  DESERT TOWN
                                       'tag_title'  少年の詩
                                             'bpm'  86.845
                                    'search_title'  '少年no詩':2 '少年の詩':1
                                   'search_artist'  'kill':2 'zi':1 'zikill':3
                                  'search_release'  'desert':1 'town':2
                                     'search_rest'  '00asia':1 '1991':4,5 'asia':7 'japan':8 'jrock':9 'kill':3 'loc':6 'pl':14 'sced':15 'set':11,13 'visualkei':10,12 'zi':2
                                    'search_combo'  '00asia':8 '1991':11,12 'asia':14 'desert':6C 'japan':15 'jrock':16 'kill':4B,10 'loc':13 'pl':21 'sced':22 'set':18,20 'town':7C 'visualkei':17,19 'zi':3B,9 'zikill':5B '少年no詩':2A '少年の詩':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430474.707544  (2021-06-11 18:54:34)
                             'size'  4989814