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
Tenor cornett The tessitura of the tenor cornett is c to around e". However, an experienced player with a powerful embouchure and a small bore instrument may reach g" or higher. The timbre or sound quality of the tenor cornett is somewhat horn-like with an agreeable woodwind character. In the hands of an experienced player, the tenor cornett has a smooth sound, which is an ideal link between the sound of the higher cornetti and the lower trombones. The sound has been described as "foggy". The instrument blends extremely well with male voices, particularly those of countertenors. Michael Praetorius was not enthusiastic