What's the Difference Between a Baritone and a Euphonium?

The main difference is the bore size. The euphonium is conical (the tubing gradually gets bigger from the mouthpiece to the bell) and the baritone is cylindrical (it maintains a consistent bore size throughout the major portion of the instrument which means it has a brighter sound).

What is a marching euphonium called?

The baritone or baritone horn features a low-pitched instrument of the saxhorn family. ... The marching baritone horn is a type of baritone horn that is specifically created for use in bugle corps and marching bands. It has three valves along with a front-facing bell.

What is a small baritone called?

The euphonium is in the family of brass instruments, more particularly low-brass instruments with many relatives. It is extremely similar to a baritone horn.