Philip Catelinet premiered Ralph Vaughan Williams' F minor concerto for this instrument. Berlioz noted that, "in Prussia" this instrument "had replaced the ophicleide" which was itself a updated version of the wooden serpent. Four oval-shaped versions of this instrument named for the composer first appear playing the motif of the golden castle of the gods in Wagner's Das Rheingold. A coiled version of this instrument that rests on the player's shoulder was developed by J.W. Pepper for the marching band of John Philip Sousa. The euphonium is smaller than, for 10 points, what large brass instrument, one version of which is called the sousaphone.
a) Trombone
b) Tuba
c) French horn
d) Trumpet

Q&A Education