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
Oom-pah a song named "Oom-Pah-Pah", which is named after the oom-pah. A more modern variation is the playing of contemporary pop and rock songs in an Oompah style, by bands such as Global Kryner (Austria) and Oompah Brass (UK) (who dubbed the style "Oompop"). Oom-pah Oom-pah, Oompah or Umpapa is the rhythmical sound of a deep brass instrument in a band, a form of background ostinato. The oom-pah sound is usually made by the tuba alternating between the root (tonic) of the chord and the 5th (dominant) — this sound is said to be the "oom". The "pah" is played on