Marching brass 1980s and early 1990s, DEG Music Products commissioned Willson Brass of Switzerland to design a Euphonium bugle, and their design used a medium shank mouthpiece that is not regularly seen in the United States. The contrabass bugle, or "contra", is the bugle equivalent of a marching tuba and its variants (the sousaphone and helicon). This bugle was designed in the 1960s. The original design for a contrabass called for an instrument in CC (the equivalent tubing length of a CC tuba), carried in front of the marcher like the higher voices. This was quickly replaced with a shoulder carried variant
Tuba including Ralph Vaughan Williams (Tuba Concerto), Edward Gregson, John Williams, Alexander Arutiunian, Eric Ewazen, James Barnes, Joseph Hallman, Martin Ellerby, Philip Sparke, Kalevi Aho, Josef Tal, Bruce Broughton (Tuba Concerto) and David Carlson. Tubas are found in various pitches, most commonly in F, E, C, or B. The main tube of a B tuba is approximately long, while that of a C tuba is , of an E tuba , and of an F tuba . The instrument has a conical bore, meaning the bore diameter increases as a function of the tubing length from the mouthpiece to the bell.