Why wont this music button work?

player = game.Players.LocalPlayer
button = script.Parent
song = script.Parent.Parent.Parent.Parent.forest
playing = false

button.MouseButton1Click:connect(function()
    button.Text = "ON"
    if playing == false then
        song:Play()
        playing = true
    elseif
        playing == true then
        song:Stop()
        button.Text = "OFF"
        playing = false
    end
end)

--Works in solo, doesnt work in game. please help!