local class_check = game.IsA
local sound = Instance.new('Sound')
local sound_stop = sound.Stop
local get_descendants = game.GetDescendants

for i,v in next, get_descendants(game) do 
	if class_check(v,"Sound") then
		sound_stop(v)
	end
end
-- release variables into the wild, aka let them be used again
get_descendants = nil
sound:Remove()
-- :triggered:
sound = nil 
get_descendants = nil
sound_stop = nil