All sousaphones are tubas, but not all tubas are sousaphones.
Sousaphones are simply tubas which have been engineered for use in marching bands; they wrap around the body rather than sitting on the lap, and the bell points outward rather than upward. A person playing a sousaphone is still called a tubist.
All sousaphones are tubas, but not all tubas are sousaphones.
Sousaphones are simply tubas which have been engineered for use in marching bands; they wrap around the body rather than sitting on the lap, and the bell points outward rather than upward. A person playing a sousaphone is still called a tubist.