Start/Stop sound on UserInterface WidgetSwitcher

Hi all,
So I have created a menu (UI Widget), with switcher. From Settings Menu, I have a different widget switcher for music…

How can I Start/Stop game music ?

See image. I also want the music to start playing as the menu loads.

Maybe what I did here is a total *&%^ but I am just learning :slight_smile:

Thank you,
zanu