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
Brass band are conical-bore instruments, which gives the British-style brass band its distinctive bright, mellow sound (as opposed to a dark symphonic sound). All parts apart from the Bass Trombone and percussion are now written in Treble Clef. Note that despite its musical range, the alto horn in E is traditionally called the tenor horn in British bands. Brass bands have a long tradition of competition between bands, often based around local industry and communities. In the 1930s brass bands thrived most with around 20,000 brass bands in the U.K. British-style brass bands are widespread throughout Great Britain and Northern Ireland, Australia,