Euphonium Euphonium The euphonium is a large, conical-bore, baritone-voiced brass instrument that derives its name from the Ancient Greek word "euphōnos", meaning "well-sounding" or "sweet-voiced" ( "eu" means "well" or "good" and "phōnē" means "sound", hence "of good sound"). The euphonium is a valved instrument. Nearly all current models have piston valves, though models with rotary valves do exist. The euphonium may be played in bass clef as a non-transposing instrument or in treble clef as a transposing instrument. In British brass bands, it is typically treated as a treble-clef instrument, while in American band music, parts may be written in
Jazz band earlier periods of jazz, a bass saxophone was used as a bass line instrument, though this is far less common today. The trombone section consists of three tenor trombones and one bass trombone. The trumpet section consists of four trumpets, though some compositions and arrangements call for five trumpets. A trumpet player may sometimes double on a flugelhorn. The tuba is the largest and lowest-pitched brass instrument. This instrument made its first appearance in the 19th century, being played at orchestras. When involved with jazz, most tubas are played outdoors. Tuba players are generally called "Jazz tubists." Jazz violin is