keyboard shortcut for "unsolo all tracks"

Ideas & suggestions
1

I would like to have a keyboard shortcut for that click on master mute button, so unsolo-ing all tracks. Cannot find a shortcut in the list. Can you add?

2

Can be added to this thread:
https://forum.renoise.com/t/needed-un-solo-all-tracks/33208

4

Hm, not here… Are you in mute or solo mode in the settings?