Features Unique Bell Bead Design, Hammered one-piece bell, Laser-fused pluzuma welded bell Hand lapped pistons and slides, Unbraced inner outer tuning slide One-piece, drawn, gold brass leadpipe offers excellent intonation, response and proper resistance. Large bell flare and large bore tuning slide allow this medium bore trumpet to produce a very big sound with very little effort. Monel pistons which are resistant to corrosion and retain precise fit and smooth action over many years Description Product Description Yamaha partnered with Bobby Shew to make a versatile instrument that would scream out a powerful lead or play soft, mellow ballads. The result speaks for itself. Key of Bb. Lightweight; .445" bore; one-piece, 5", yellow brass bell; one piece, drawn, gold brass mouthpipe; Monel pistons; hand-lapped pistons and slides; laser-fused pluzuma welded bell; unbraced inner outer tuning slide; large bell flare; large bore tuning slide; and special bead and bell taper.