Tuba many small brass ensembles will use the euphonium or bass trombone as the lowest voice). It is the principal bass instrument in concert bands, brass bands and military bands, and those ensembles generally have two to four tubas. It is also a solo instrument. Tubas are used in marching bands, drum and bugle corps and in many jazz bands (see below). In British style brass bands, two E and two B tubas are used and are referred to as "basses". Well known and influential parts for the tuba include: Concertos have been written for the tuba by many notable composers,
Tuba lowest pitched tubas are the contrabass tubas, pitched in C or B, referred to as CC and BB tubas respectively, based on a traditional distortion of a now-obsolete octave naming convention. The fundamental pitch of a CC tuba is 32 Hz, and for a BB tuba, 29 Hz. The CC tuba is used as an orchestral, and concert band instrument in the U.S., but BB tubas are the contrabass tuba of choice in German, Austrian, and Russian orchestras. In the United States, the BB tuba is the most common in schools (largely due to the use of BB sousaphones in