Willie's Custom Brass Willie's Euphonium Mouthpiece NASOTA 565 α Large Bore (SP)

Arai Hidenori's signature model. Named after one of his compositions, this mouthpiece combines extremely flexible controllability with beautiful tone. Supervisor: Arai Hidenori (part-time lecturer at Senzoku Gakuen College of Music) Rim diameter 25.65 (mm) Throat diameter 7.22 (mm) Approximate size from other companies Size: Back 5G