Sousa was instrumental in the design of the sousaphone, a bass one of these with an upright bell
The bells of these horns vary somewhat, and those in this particular 
range ..... of the trumpet, he will be one of the most talented instrumental 
performers, not... [DOC] [TLE] Sousaphone, To the and The o'jays on Pinterest [PAR] The Sousaphone - developed in the 1890's by C.G.Conn to the wishes of Sousa.