2024-01-02: Site is back on track, self-hosted on a rpi because you get the Internet you fund.
2025-02-06: Oh well, some power grid issues caused the rpi to reboot, I really should configure uwsgi to restart automatically --'

4bd8d571-6d19-48d3-be97-422220080e43
%USERPROFILE%\Music

4bd8d571-6d19-48d3-be97-422220080e43 %USERPROFILE%\Music

Music

GUID           	{4BD8D571-6D19-48D3-BE97-422220080E43}
Display Name   	Music
Folder Type    	PERUSER
Default Path   	%USERPROFILE%\Music
CSIDL Equivalent	CSIDL_MYMUSIC
Legacy Display Name	My Music
Legacy Default Path	%USERPROFILE%\My Documents\My Music 

from https://msdn.microsoft.com/en-us/library/windows/desktop/dd378457(v=vs.85).aspx
0 KNOWNFOLDERID push
FOLDERID_Music

GUID           	{4BD8D571-6D19-48D3-BE97-422220080E43}
Display Name   	Music
Folder Type    	PERUSER
Default Path   	%USERPROFILE%\Music
CSIDL Equivalent	CSIDL_MYMUSIC
Legacy Display Name	My Music
Legacy Default Path	%USERPROFILE%\My Documents\My Music 

from https://msdn.microsoft.com/en-us/library/windows/desktop/dd378457(v=vs.85).aspx
0 KNOWNFOLDERID push
Music

from shellbags_xp.pl
0 sans-dfir regripper
Seen in MS-{GPFR}

Counts : MS-GPFR:1
-1 MS specs regex push
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\FolderDescriptions

Windows Vista Registry
object: reg-subkey
name: None
key: HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\FolderDescriptions

from Mikołaj Zalewski's http://mikolajapp2.appspot.com - reg-vista.xml
0 autopush - reg-vista
wine/dlls/shell32/tests/shellpath.c:679

"::{59031a47-3f72-44a7-89c5-5595fe6b30ee}\\{4BD8D571-6D19-48D3-BE97-422220080E43}\0shell:::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{1CF1260C-4DD0-4EBB-811F-33C572699FDE}\0\0", /* win8 */
in wine/dlls/shell32/tests/shellpath.c:679
-2 wine
reactos/modules/rostests/winetests/shell32/shellpath.c:1268

"::{59031a47-3f72-44a7-89c5-5595fe6b30ee}\\{4BD8D571-6D19-48D3-BE97-422220080E43}\0shell:::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{1CF1260C-4DD0-4EBB-811F-33C572699FDE}\0\0", /* win8 */
in reactos/modules/rostests/winetests/shell32/shellpath.c:1268
-2 reactos
Include/10.0.16299.0/um/KnownFolders.h:184

// {4BD8D571-6D19-48D3-BE97-422220080E43}
in Include/10.0.16299.0/um/KnownFolders.h:184
-2
%USERPROFILE%\Music

Some UserAssist key, probably ROT13 encoded as {4OQ8Q571-6Q19-48Q3-OR97-422220080R43}
from https://www.aldeid.com/wiki/Windows-userassist-keys
1 autopush - aldeid-userassist