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
Brass tablature valve on a four-valved instrument. Brass tablature Brass Tablature is a rather rare form of music notation that applies to all brass instruments, but is most commonly found written for trumpet. It consists of lines with partials, and numbers representing valve or slide positions. The basic setup is shown here, with names of open notes for each partial on the left and rhythm or rhythmic notation above. The bottom line, indicating first-partial pedal tones, is not usually used by trumpet or horn. The seventh partial (B♭ on trumpet) is This method is impractical in the altissimo range, because of fingering