======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '329'
                                          'artist'  'Impiety'
                                     'text_people'  'Impiety'
                                         'release'  'Skullfucking Armageddon'
                                           'title'  'Magick - Consecration Goatsodomy'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['thrash metal', 'singaporean', 'black metal', 'death metal', 'blackened "
 "death metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '143.416'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x007\x00A\x00B\x001\x00+\x00D\x000\x004\x00F\x00+\x001\x001\x00A\x00D\x00B\x00+\x001\x008\x000\x00F\x004\x00+\x001\x00E\x004\x001\x00D\x00+\x002\x003\x007\x00C\x003\x00+\x002\x008\x00B\x009\x004\x00+\x002\x00E\x00E\x000\x006\x00+\x003\x003\x009\x002\x001\x00+\x003\x007\x007\x001\x00D\x00+\x003\x00D\x007\x00B\x009\x00\x00\x00')
'PRIV:AverageLevel:{ \x00\x00'                      PRIV(owner='AverageLevel', data=b'{ \x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x004\x004\x004\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x003\x003\x008\x001\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x009\x002\x007\x005\x002\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x003\x004\x004\x004\x004\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x003\x003\x008\x001\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x009\x002\x007\x005\x002\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87.ÊÙË\x13ÒDµZ\x80\xa0ÒÈ3Í'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87.\xca\xd9\xcb\x13\xd2D\xb5Z\x80\xa0\xd2\xc83\xcd')
'PRIV:WM/WMCollectionID:\x87.ÊÙË\x13ÒDµZ\x80\xa0ÒÈ3Í'  PRIV(owner='WM/WMCollectionID', data=b'\x87.\xca\xd9\xcb\x13\xd2D\xb5Z\x80\xa0\xd2\xc83\xcd')
'PRIV:WM/WMContentID:ª|Ý\x05\x95¥ØM\x92\x12ÿt»ÿÍÏ'  PRIV(owner='WM/WMContentID', data=b'\xaa|\xdd\x05\x95\xa5\xd8M\x92\x12\xfft\xbb\xff\xcd\xcf')
'PRIV:ZuneAlbumArtistMediaID:\x00\t\x9d\x9d\x00\x02Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\t\x9d\x9d\x00\x02\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x06ÙS\x0f\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x06\xd9S\x0f\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:l\x93\xa0L\x98\x8dµK\x8d§\x8f@®l\x03<'  PRIV(owner='ZuneCollectionID', data=b'l\x93\xa0L\x98\x8d\xb5K\x8d\xa7\x8f@\xael\x03<')
'PRIV:ZuneMediaID:\x00Ô\x84b\x00\x05Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00\xd4\x84b\x00\x05\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Skullfucking Armageddon'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCOM' (Composer)                                   'Impiety'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Magick - Consecration Goatsodomy'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '329746'
'TPE1' (Lead performer(s)/Soloist(s))               'Impiety'
'TPE2' (Band/orchestra/accompaniment)               'Impiety'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Drakkar'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['thrash metal',
 'singaporean',
 'black metal',
 'death metal',
 'blackened death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.417556'

========================== row from database ==========================
                                              'id'  1399457
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Impiety - Skullfucking Armageddon/11 Magick - Consecration Goatsodomy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  329
                                           'genre'  eid-metal-black
                                        'filesize'  7905724
                                           'mtime'  1620301712
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 11 eid metal black
                                      'tag_artist'  Impiety
                                     'tag_release'  Skullfucking Armageddon
                                       'tag_title'  Magick - Consecration Goatsodomy
                                             'bpm'  143.416
                                    'search_title'  'consecration':2 'goatsodomy':3 'magick':1
                                   'search_artist'  'impiety':1
                                  'search_release'  'armageddon':2 'skullfucking':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':7 '00metal':8 'armageddon':6C 'black':11 'consecration':2A 'eid':9 'goatsodomy':3A 'impiety':4B 'magick':1A 'metal':10 'skullfucking':5C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'singaporean', 'black metal', 'death metal', 'blackened death metal']
                                        'tag_date'  2011
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301712.0715623  (2021-05-06 13:48:32)
                             'size'  7905724