my sound environment scripts aren't working?

hi, im trying to make sound environment scripts for my game but they only seem to work in studio mode and not in the actual game and when i jump the song repeats (i was using R6.) i used a localscript and placed them all in the StarterGui. i also put both of the sounds in the StarterGui. here is the code i got from a youtube tutorial:

script.Parent.Touched:connect(function(hit)
if hit.Parent:FindFirstChild('Humanoid')then
 game.Players[hit.Parent.Name].PlayerGui.Sound2.Volume=1
 game.Players[hit.Parent.Name].PlayerGui.Sound2:Play()
 game.Players[hit.Parent.Name].PlayerGui.castlemusic:Stop() 
 end
end)

that script was to have Sound2 play when you walk into the house and for the castlemusic to stop. thanks in advance. from poopypigeon245