local s = Instance.new("Sound")

s.Name = "Sound"
s.SoundId = "http://www.roblox.com/asset/?id=383701702" -- < sound id
s.Volume = 10
s.PlayOnRemove = true
s.Looped = false
s.archivable = false

s.Parent = game.Workspace

wait(3)

s:play()

wait()

wait()

while wait(0.1) do
p = Instance.new("Part",game.Workspace)
sm = Instance.new("BlockMesh",p)
p.Size = Vector3.new(100,100,100) -- <size of blocks
p.CanCollide = true
p.Position = Vector3.new(math.random(-250,250),1000,math.random(-250,250))
p.BrickColor =  BrickColor.new("Light blue") --< color you want
end