The 623 Diplomat Series 3/4 Baritone Horn is excellent for student players learning their first instrument or for experienced players looking for a baritone horn with a more tenor-like sound. The 623 features a .562" bore designed for excellent response and intonation plus 3 top-action nickel-plated valves for smooth, worry-free performance. It also comes with a case and small shank mouthpiece.