This is possibly the most engaging and interesting iPad app for music creation and/or science and math integration. I could see lessons on the physics of the objects interacting with one another or the algebra/geometry/trigonometry/calculus of the different sequences of events that create the music. If you have an iOS device, please check it out.
He is married to his favorite person, and loves his three children quite a little bit (aged 8, 13 and 15). He is passionate about authentic learning, technology with purpose, and creating at least one new thing every day. In short, he teaches, and learns. A lot.
Also, he co-founded WouldYouLikeABanana.com with his wife, Kara.