Add one part catchy rhythm, two parts tuneful theme, a pinch of cilantro mixed with slow-simmered sweet onions and . . . oh sorry, wrong recipe. At any rate, not only is this piece fun to play, but your students will also love the additional challenge of discovering as many retrograde pitches and rhythms as possible, both in their own part and between parts. We don't even know how many there are! It's even more fun than Where's Waldo. Now get cookin', with Vince Gassi's Retrograde! (2:45)