content: if application "Sonos" is not running then
  	tell application "Sonos" to activate
  
  	tell application "System Events"
  		repeat until visible of process "Sonos" is true
  			delay 0.1
  		end repeat
  		delay 1 -- After app becomes visible, wait for it to render its buttons
  	end tell
  end if
  
  tell application "System Events"
  	tell process "Sonos"
  		click button 3 of window 1
  	end tell
  end tell
  