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 horn rotary valves as opposed to the more common piston valves. Within a British brass band, the tenor horn section usually plays a unique part in the middle of the band, with the Solo Horn having frequent solo passages. However, it is less often featured as a solo instrument. The instrument's timbre, with little attack or resonance, as well as the parts it usually plays, makes the section difficult to hear individually, even in professional studio recordings. Despite this, the horn section contributes greatly to the rich mellow sound of a brass band. Tenor horns, especially those built in the middle