Plot: Rick heads for Jalisco, the place where mariachi music originated, to investigate the history and mystery of this “national soundtrack” of Mexico—and to answer the question, “what’s the perfect food to go with mariachi music?” At a stall in the Guadalajara market, he checks out all kinds of mouthwatering snack-food specialties, settling on a beautiful tostada as a band of mariachis strolls by playing their anthem “Guadalajara. ” Back in his Chicago kitchen, he shows us his take on Tostadas, then it’s back to Mexico where his search for the roots of mariachi takes him to a beautiful 19th-Century hacienda