The sousaphone is a valved brass instrument with the same tube length and musical range as other tubas. The brass sousaphone is a type of tuba that is widely employed in marching bands because its design makes it easy to carry and play at the same time. Designed so that it fits around the body of the musician and is supported by the left shoulder, the sousaphone may be readily played while being carried. The instrument is named after American bandmaster and composer John Philip Sousa, who popularized its use in his band.
Sousaphone tuba is a type of tuba with a wide bell pointing forward above the player's head, used in marching bands. The bell shape doesn't reach the musician's head.Tuba is a large low-pitched brass instrument typically oval in shape with a conical tube, a cup-shaped mouthpiece.