Jordan Rudess, of Dream Theater, has created an audio synthesizer app for the iPad that promises to deliver an audio and visual experience. Just watch him play it.
Ya' know the number one problem with kids these days? They aren't loud and annoying enough. I need constant, high-pitched screaming and noise to be at my personal prime. TRATTI will make this happen. It is a strap-on noise maker, for kids—or adults if you feel so compelled.