Audio Script? Anything wrong with it? [Unsolved]

This isn't working. Is there anything I am doing wrong? This script is suppose to find the player who touches the brick (the brick is a doorway and is invisible), and if the audio is playing, it would pause the audio, but if the player's audio is paused, it would play the audio rather.

function onTouch(hit)
	local a = game.Players.LocalPlayer.PlayerGui.Sound.IsPlayed
	local b = game.Players.LocalPlayer.PlayerGui.Sound.IsPaused			
		if a ~= nil then 
		game.Players.LocalPlayer.PlayerGui.Sound:Pause()
		
		else
			
		if b ~= nil then 
		game.Players.LocalPlayer.PlayerGui.Sound:Play()
	
	
	end
	end
	end
script.Parent.Touched:connect(onTouch)

Would this work?

function onTouch(hit)
    local a = game.Players:getPlayerFromCharacter(hit.Parent).PlayerGui.Sound.IsPlayed
    local b = game.Players:getPlayerFromCharacter(hit.Parent).PlayerGui.Sound.IsPaused
    if a then
        game.Players:getPlayerFromCharacter(hit.Parent).PlayerGui.Sound:Pause()
    elseif b then
        game.Players:getPlayerFromCharacter(hit.Parent).PlayerGui.Sound:Play()
    end
end
script.Parent.Touched:connect(onTouch)

Those properties would always be true or false, never nil. So your condition will always be true. Try this:

function onTouch(hit)
	local a = game.Players.LocalPlayer.PlayerGui.Sound.IsPlayed
	local b = game.Players.LocalPlayer.PlayerGui.Sound.IsPaused
	if a then
		game.Players.LocalPlayer.PlayerGui.Sound:Pause()
	elseif b then
		game.Players.LocalPlayer.PlayerGui.Sound:Play()
	end
end
script.Parent.Touched:connect(onTouch)