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 Subcontrabass tuba The subcontrabass tuba is an extension of the tuba family within the modern contrabass tuba. At least five known examples have been created, all pitched in BBBb, sounding a full octave lower than standard BBb contrabass tubas. Music for them is written in bass clef sounding a full octave lower than notated. The first existence of an instrument of this sort was designed by the Parisian instrument innovator Adolphe Sax (1814–1894), the inventor of the saxophone, who dubbed it the subcontrabass saxhorn. These instruments were all very rare and never received a great deal of attention. The first