Is there any way to make an animation play in a global script?

I was trying to make a spell script (newish to scripting) and I have the chatted event perfect, I just need the script to be global for the chatted event.

Here's what I have:

game.Players.PlayerAdded:Connect(function(player)
    player.Chatted:Connect(function(msg)
        if msg == "Fus Ro Dah" or "fus ro dah" or "frd" or "FUS RO DAH" then
            print("spell used: fus ro dah")
            local animation = Instance.new("Animation")
            animation.AnimationId = "http://www.roblox.com/Asset?ID=1788538969" -- your id here
            local animTrack = player.Character.Humanoid:LoadAnimation(animation) -- chanhe Humanoid to the target's Humanoid
            animTrack:Play()
        end
    end)
end)

It prints my output, no errors or anything for the animation part though.