Tuba rotary-valved tubas pitched in the same octave as euphoniums. The "Small Swiss Tuba in C" is a tenor tuba pitched in C, and provided with 6 valves to make the lower notes in the orchestral repertoire possible. The French C tuba was the standard instrument in French orchestras until overtaken by F and C tubas since the Second World War. One popular example of the use of the French C tuba is the "Bydło" movement in Ravel's orchestration of Mussorgsky's "Pictures at an Exhibition", though the rest of the work is scored for this instrument as well. Larger BBB subcontrabass
Subcontrabass tuba probably during 1910 or 1911 and was destined for the World Exhibition in New York in 1913 (Green). This tuba is "playable," but two persons are needed: one to operate the valves and one to blow into the mouthpiece. Finally, Dr. Frederick Young plays a King BBb tuba that was converted into a double tuba (in BBb and EEE (natural)) by Dietrich Kleine-Horst (of the Herbert Gronitz Brass Instrument Company in Hamburg, Germany) in 1990. The BBb side is a contrabass tuba, and the EEE side is a subcontrabass tuba. Subcontrabass tuba The subcontrabass tuba is an extension of the