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,
Tenor horn whole-bore brass instrument, most players can play some pedal tones, the fundamentals (first partials) of (at least) the shorter tubing lengths. Tenor horn parts are written in the treble clef. The tenor horn is an E transposing instrument written a major sixth above concert pitch: the tenor horn notation for middle C represents the E below middle C in concert pitch (E in scientific pitch notation). The instrument known today as the tenor/alto horn was developed in the 1840s by the Belgian instrument maker Adolphe Sax who, among other instrument design activities, designed two similar families of valved brass instruments,