function Audio(id) --Turn it into a function, so you can call it later.
local player = game:GetService("Players").LocalPlayer
local sound = Instance.new("Sound") --Create the sound
sound.Parent = player.Character --Where the sound is located (It will show as game.Workspace.Name.Sound
sound.SoundId = "rbxassetid://"..id --The numbers are the id
sound.Volume = 2.5 --Volume; Default is 0.5; Max is 10
sound:Play() --You can use sound.Playing = true, or you can do this
sound.Looped = true --It will play again once it is done
sound.PlayOnRemove = true --If someone deletes the sound, it will keep playing.

end

Audio(123456) --Would play the audio with ID 123456