Popup Trombone

PopUp TrombonePop Up Trombone by  matthew rayfield  is a clever piece of coding. As Matthew describes it on GitHub, it’s a trombone you play by resizing a POPUP window (but it doesn’t really sound like a trombone, sorry)

PopUp Trombone

It doesn’t have quite the same staying and playing power as the classic Pull My Finger!

Pull my finger!