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
Victor Ewald instruments played in Bellon’s quintet and certainly in current times, by such as Canadian Brass. Photographic evidence from about 1912 shows that Ewald himself played in a brass quintet. It is seen to consist of two piston-valved cornets, rather than the modern choice of trumpets; a rotary-valved alto horn, rather than the French horn; a rotary-valved tenor horn, rather than the trombone; and a rotary-valved tuba (played by Ewald himself). Of these instruments, it is the alto and tenor horns that are most strikingly different from their modern quintet counterparts. There is no documented evidence of exactly for whom Ewald