======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '162'
                                          'artist'  'Rotfront'
                                     'text_people'  'János Másik/János Vetö'
                                         'release'  'Emigrantski Raggamuffin'
                                           'title'  'T|z'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['russendisko', 'balkan', 'ska', 'russian', 'folk', 'klezmer']"
                                     'discogstags'  "['reggae', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '133.228'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x009\x006\x00+\x004\x00D\x00D\x00+\x004\x003\x00C\x00E\x00+\x006\x00D\x00A\x007\x00+\x00A\x005\x004\x000\x00+\x00E\x005\x00A\x001\x00+\x001\x002\x003\x009\x00E\x00+\x001\x006\x001\x004\x003\x00+\x001\x00A\x001\x004\x003\x00+\x001\x00E\x003\x005\x004\x00+\x002\x001\x006\x00F\x00C\x00+\x002\x005\x002\x000\x00E\x00+\x002\x009\x003\x00A\x001\x00+\x002\x00C\x003\x004\x00D\x00+\x003\x000\x00F\x003\x00A\x00+\x003\x005\x003\x00E\x002\x00+\x003\x008\x008\x006\x00B\x00+\x003\x00D\x000\x00C\x003\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\x005\x005\x006\x003\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x001\x002\x007\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x007\x000\x006\x000\x007\x003\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x005\x005\x006\x003\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x001\x002\x007\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x007\x000\x006\x000\x007\x003\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x00¿\x9d$ÓK-L½\x7f¹úQÓç<'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\xbf\x9d$\xd3K-L\xbd\x7f\xb9\xfaQ\xd3\xe7<')
'PRIV:WM/WMCollectionID:\x00¿\x9d$ÓK-L½\x7f¹úQÓç<'  PRIV(owner='WM/WMCollectionID', data=b'\x00\xbf\x9d$\xd3K-L\xbd\x7f\xb9\xfaQ\xd3\xe7<')
'PRIV:WM/WMContentID:õ´99\x89èÇA\x9dÅ\r\x12¼]²\xa0'  PRIV(owner='WM/WMContentID', data=b'\xf5\xb499\x89\xe8\xc7A\x9d\xc5\r\x12\xbc]\xb2\xa0')
'TALB' (Album/Movie/Show title)                     'Emigrantski Raggamuffin'
'TBPM' (BPM (beats per minute))                     '133.228'
'TCOM' (Composer)                                   'János Másik/János Vetö'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'T|z'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '162720'
'TPE1' (Lead performer(s)/Soloist(s))               'Rotfront'
'TPE2' (Band/orchestra/accompaniment)               'Rotfront'
'TPUB' (Publisher)                                  'Essay'
'TRCK' (Track number/Position in set)               '13'
'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'                                  ['reggae', 'hip hop']
'TXXX:lastfmtags'                                   ['russendisko', 'balkan', 'ska', 'russian', 'folk', 'klezmer']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.37 dB'
'TXXX:replaygain_track_peak'                        '0.330356'

========================== row from database ==========================
                                              'id'  979778
                                            'path'  /data/Music/Bulk/00localcharacter/Rotfront - Emigrantski Raggamuffin/13 Tüz.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  162
                                           'genre'  loc-unsorted
                                        'filesize'  6507428
                                           'mtime'  1637438259
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 13 Tüz loc unsorted
                                      'tag_artist'  Rotfront
                                     'tag_release'  Emigrantski Raggamuffin
                                       'tag_title'  T|z
                                             'bpm'  133.228
                                    'search_title'  't':1 'z':2
                                   'search_artist'  'rotfront':1
                                  'search_release'  'emigrantski':1 'raggamuffin':2
                                     'search_rest'  'loc':3 'tuz':1,2 'unsorted':4
                                    'search_combo'  'emigrantski':4C 'loc':8 'raggamuffin':5C 'rotfront':3B 't':1A 'tuz':6,7 'unsorted':9 'z':2A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russendisko', 'balkan', 'ska', 'russian', 'folk', 'klezmer']
                                        'tag_date'  2009
                                     'discogstags'  ['reggae', 'hip hop']

============================== file details ==============================
                                           'mtime'  1637438259.4021282  (2021-11-20 20:57:39)
                             'size'  6507428