An Excellent Step-up Euphonium It's natural for students to outgrow their beginner euphonium. When that happens, it's time to upgrade to the Yamaha YEP-321 4-valve Intermediate Euphonium. This euphonium comes equipped with top-drawer features to keep up with ever-growing performance demands. The YEP-321 includes four top-mounted valves to help alleviate intonation issues in the low register. Players will appreciate the inspiring tone of the yellow brass body and the sheer dynamic range provided by the 11-inch yellow brass bell. What's more, the silver-plated finish adds a pleasing brilliance to the tone. The Yamaha YEP-321S 4-valve Intermediate Euphonium is ready to embark on a lifelong musical journey, and it's right here at Sweetwater.4-valve configuration for better intonation The euphonium frequently plays sharp in the lower registers, which presents a significant challenge for players with 3-valve euphoniums. The player can engage the YEP-321's fourth valve to expand the low register and help