======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '192'
                                          'artist'  'Dahlia'
                                     'text_people'  ''
                                         'release'  'Musics For My Funeral'
                                           'title'  'YCH9?$k'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trip hop', 'female vocalists', 'lush', 'japanese', 'portland', 'electronic']"
                                     'discogstags'  "['electro', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  ('electronic-we-beeps or chip or '
 'pico;set-pl-sced;loc-asia-japan;electronic-trip hop or downtempo or acid '
 'jazz')
                                             'bpm'  '127.685'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x007\x001\x00A\x00A\x00+\x00A\x00A\x002\x008\x00+\x001\x000\x001\x00F\x001\x00+\x001\x005\x00A\x00B\x000\x00+\x001\x009\x00F\x009\x007\x00+\x001\x00D\x00A\x003\x00B\x00+\x002\x001\x00D\x005\x00B\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:C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:@;Ç\x15ø\x86£M\x84\x95Ñ\x1b^\x91¸ê'  PRIV(owner='WM/WMCollectionGroupID', data=b'@;\xc7\x15\xf8\x86\xa3M\x84\x95\xd1\x1b^\x91\xb8\xea')
'PRIV:WM/WMCollectionID:@;Ç\x15ø\x86£M\x84\x95Ñ\x1b^\x91¸ê'  PRIV(owner='WM/WMCollectionID', data=b'@;\xc7\x15\xf8\x86\xa3M\x84\x95\xd1\x1b^\x91\xb8\xea')
'PRIV:WM/WMContentID:%\x98¸²ÏrwJ\x95\x95x\x11½\x80U\x96'  PRIV(owner='WM/WMContentID', data=b'%\x98\xb8\xb2\xcfrwJ\x95\x95x\x11\xbd\x80U\x96')
'TALB' (Album/Movie/Show title)                     'Musics For My Funeral'
'TBPM' (BPM (beats per minute))                     '127.685'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-beeps or chip or pico',
 'set-pl-sced',
 'loc-asia-japan',
 'electronic-trip hop or downtempo or acid jazz']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'YCH9?$k'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '192826'
'TPE1' (Lead performer(s)/Soloist(s))               'dahlia'
'TPE2' (Band/orchestra/accompaniment)               'Dahlia'
'TPUB' (Publisher)                                  'ƒnƒsƒlƒXƒŒƒR\x81[ƒh'
'TRCK' (Track number/Position in set)               '2'
'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:discogstags'                                  ['electro', 'electronic']
'TXXX:lastfmtags'                                   ['trip hop', 'female vocalists', 'lush', 'japanese', 'portland', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.481584'

========================== row from database ==========================
                                              'id'  1358958
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dahlia/[2004] Musics For My Funeral/02 ベットスタイル.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  192
                                           'genre'  electronic-we-beeps or chip or pico;set-pl-sced;loc-asia-japan;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  3097565
                                           'mtime'  1636911232
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [2004] 02 ベットスタイル electronic we beeps chip pico;set pl sced;loc asia japan;electronic trip hop downtempo acid jazz
                                      'tag_artist'  Dahlia
                                     'tag_release'  Musics For My Funeral
                                       'tag_title'  YCH9?$k
                                             'bpm'  127.685
                                    'search_title'  'k':2 'ych9':1
                                   'search_artist'  'dahlia':1
                                  'search_release'  'for':2 'funeral':4 'musics':1 'my':3
                                     'search_rest'  '00poprockelectronic':1 '2004':2,3 'acid':27 'asia':19 'beeps':8 'chip':9 'downtempo':26 'electronic':6,21,23 'hetutosutairu':5 'hop':25 'japan':20,22 'jazz':28 'loc':16,18 'pico':10,12 'pl':14 'sced':15,17 'set':11,13 'trip':24 'we':7 'ベットスタイル':4
                                    'search_combo'  '00poprockelectronic':8 '2004':9,10 'acid':34 'asia':26 'beeps':15 'chip':16 'dahlia':3B 'downtempo':33 'electronic':13,28,30 'for':5C 'funeral':7C 'hetutosutairu':12 'hop':32 'japan':27,29 'jazz':35 'k':2A 'loc':23,25 'musics':4C 'my':6C 'pico':17,19 'pl':21 'sced':22,24 'set':18,20 'trip':31 'we':14 'ych9':1A 'ベットスタイル':11
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['trip hop', 'female vocalists', 'lush', 'japanese', 'portland', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  ['electro', 'electronic']

============================== file details ==============================
                                           'mtime'  1636911232.4695785  (2021-11-14 18:33:52)
                             'size'  3097565