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
Hans Felix Husadel alto slide trombone. Tenor and baritone Tuba were modified so their bells faced forward, with the mechanics of the instruments adjusted to allow better handling while on the march. The traditional rotary valves on bass trumpets were also replaced with pump valves. The openings of the higher pitched brass instruments were narrowed to achieve greater sharpness and clarity of sound. The effect was to give Husadel's Luftwaffe bands a unique timbre with strong and varied middle voices. Husadel’s bands chose silver-plated instruments, giving them a modern look compared to the standard army and navy band instrument brass finishes. Husadel's Luftwaffe