Indian Handmade Brass Finish 22" Sofaphone Brass Tuba and Mouthpiece with Carry Bag. The sousaphone is a brass instrument with valves and the same tube length and the same musical scope as other tubes. Its shape is such that the bell lies over the head of the tube player and projects forward. The valves are located just in front of the musician slightly above the waist and most of the weight is on one shoulder. The bell is usually removable from the instrument body to facilitate transport and storage. Pitch------ Bb Big Bell Size---22 inches (Carry Bag Included), Length:42 inches