======================== unified (from filesystem) ========================
                                         'bitrate'  '184.526'
                                        'duration'  '210'
                                          'artist'  'shu-de'
                                     'text_people'  ''
                                         'release'  'voices from the distant steppe'
                                           'title'  'meen khemchim (my khemchik river)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'tuva', 'throat singing', 'folk', 'tuvan']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '120.042'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'done'
'COMM:Songs-DB_Custom1:XXX'                         'done'
'COMM:Songs-DB_Custom2:XXX'                         'lars'
'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 \x00 \x002\x000\x002\x008\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x004\x003\x003\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x004\x005\x009\x000\x009\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x002\x008\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x004\x003\x003\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x004\x005\x009\x000\x009\x004\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:,,\x9d\x19=\x9e'K¸\x0cp\x04£ZeÜ"  PRIV(owner='WM/WMCollectionGroupID', data=b",,\x9d\x19=\x9e'K\xb8\x0cp\x04\xa3Ze\xdc")
"PRIV:WM/WMCollectionID:,,\x9d\x19=\x9e'K¸\x0cp\x04£ZeÜ"  PRIV(owner='WM/WMCollectionID', data=b",,\x9d\x19=\x9e'K\xb8\x0cp\x04\xa3Ze\xdc")
'PRIV:WM/WMContentID:@oQ\\ªÕ\x99D\x9eRZBF>\x05°'    PRIV(owner='WM/WMContentID', data=b'@oQ\\\xaa\xd5\x99D\x9eRZBF>\x05\xb0')
'TALB' (Album/Movie/Show title)                     'voices from the distant steppe'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TIT2' (Title/songname/content description)         'meen khemchim (my khemchik river)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'shu-de'
'TPE2' (Band/orchestra/accompaniment)               'shu-de'
'TPUB' (Publisher)                                  'Real World'
'TRCK' (Track number/Position in set)               '11'
'TXXX:DATE'                                         '1994'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['world', 'tuva', 'throat singing', 'folk', 'tuvan']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.28 dB'
'TXXX:replaygain_track_peak'                        '0.889980'

========================== row from database ==========================
                                              'id'  1397166
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/shu-de - 1994 - voices from the distant steppe/11 - meen khemchim (my khemchik river).mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  210
                                           'genre'  loc-asia
                                        'filesize'  4880256
                                           'mtime'  1652397825
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1994 11 loc asia
                                      'tag_artist'  shu-de
                                     'tag_release'  voices from the distant steppe
                                       'tag_title'  meen khemchim (my khemchik river)
                                             'bpm'  120.042
                                    'search_title'  'khemchik':5 'khemchim':2 'meen':1 'my':3,4 'river':6,7
                                   'search_artist'  'de':2 'shu':1 'shude':3
                                  'search_release'  'distant':4 'from':2 'steppe':5 'the':3 'voices':1
                                     'search_rest'  '00asia':1 '1994':2 'asia':4 'loc':3
                                    'search_combo'  '00asia':16 '1994':17 'asia':19 'de':9B 'distant':14C 'from':12C 'khemchik':5A 'khemchim':2A 'loc':18 'meen':1A 'my':3A,4A 'river':6A,7A 'shu':8B 'shude':10B 'steppe':15C 'the':13C 'voices':11C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['world', 'tuva', 'throat singing', 'folk', 'tuvan']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397825.2309155  (2022-05-13 01:23:45)
                             'size'  4880256