Im trying to make a Music Player GUI but it wont work attempt index gobal 'sound'?

1st script where the error is coming from function OpenSong() local IDN = script.Parent.Parent.id.Text local Sound = script.Parent.Parent.Parent.Music sound.SoundId = 'rbxassetid://'.. IDN sound:Play() end script.Parent.MouseButton1Click:connect(OpenSong)

2nd

function Stopmusic() script.Parent.Parent.Parent.Music:Stop() end script.Parent.MouseButton1Click:connect(Stopmusic)

Error

22:10:35.238 - Players.FCPDLawz.PlayerGui.Music id Player.Frame.Play.Script:4: attempt to index global 'sound' (a nil value) 22:10:35.240 - Stack Begin

I believe the problem is that you're trying to use 'sound' when you identified it as 'Sound'. Capitalization is very important with variables.