Percussion for Children 8–10 Years 17 Weeks, Fall or Spring, $505. Saturdays 11:00 a.m.–12:00 noon Trey Files Percussion for Children builds on the natural rhythm that is within every young child. Students will be exposed to a variety of drumming styles and concepts including stick and hand drumming. The class will focus on a different topic every four weeks and the last class of each semester will be a performance sharing event.