// SERVERSIDE - add to terrortown/gamemode/init.lua
function _R.Player:PlaySound(sound)
    umsg.Start("playsound", self)
        umsg.String(sound)
    umsg.End()
end

hook.Add("PlayerInitialSpawn", "IntroSound", function(ply)
    timer.Simple(1, function()
        ply:PlaySound("rvgttt/intro.mp3")
    end)
end)

// CLIENTSIDE - add to terrortown/gamemode/cl_init.lua

usermessage.Hook("playsound", function(data)
    local sfile=data:ReadString()
    surface.PlaySound(sfile)
end)