Yamaha YEP201 student Bb euphonium outfitIntroducing the Yamaha YEP201 student Bb euphonium outfit The Yamaha YEP201 euphonium is an affordable, excellent quality instrument that is ideal for both younger and intermediate players. Its lighter than more advanced models, making it easier to hold, play and transport, while still producing the rich, full sound that can be expected from Yamaha models. This instrument is made out of high quality brass, so if you are looking for a durable and