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
Tenor cornett cornetts, true alto or tenor cornetts. However, a number of instruments with a larger bore have survived and these instruments seem to have had a sound somewhat reminiscent of the serpent. The timbre of the small bore tenor cornetti is more "focused" and incisive than that of their large bore counterparts. Some modern cornett makers, like Christopher Monk, for instance, have made both varieties of tenor cornett available to customers. The tenor cornett was used almost exclusively as a consort instrument. No solo music survives for this instrument. In the works of Schütz, Schein, Scheidt, Praetorius, Gabrieli, Viadana and other