Euphonium,Piano - Level 3 - Digital Download SKU: A0.1233885 Composed by Wolfgang Amadeus Mozart. Arranged by William Malcolm Jones. Classical,Opera. Score and part. 5 pages. William Malcolm Jones #829445. Published by William Malcolm Jones (A0.1233885). Sarastros aria from Mozarts The Magic Flute. Arranged for Solo Euphonium with piano accompaniment. Larghetto two four with four quaver beats to the bar. (quaver equals Fifty or there about). A very good reading exercise. A beautiful aria well suited to the Euphonium From The operatic Euphonium .