0 a large tuba (= a metal musical instrument played by blowing) with tubes that go round the player's body, sometimes used in marching musical groups
The sousaphone may play a traditional jazz walking bass-line or groove on a riff.
In schools that can not afford two kinds of tuba for each player, having only the sousaphone type is common.
Its shape was straight, in contrast to the military "buccina" or "cornu", which was more like the modern sousaphone in curving around the body.
The sousaphone is a specialized version of the helicon.
The style of the music is often characterized by the use of the sousaphone in place of a bass violin to play the bass-line.
The sousaphone's shape is such that the bell is above the tubist's head and projecting forward.
In the course of taking his bow, the bell of the sousaphone struck the cameraman filming him.
The contra-alto clarinet can also be used in marching bands where it shares the parts of the sousaphone or baritone saxophone.
