Brass Ensemble Euphonium,Horn,Trombone,Trumpet,Tuba - Level 4 - Digital Download SKU: A0.758050 By Choir Of King's College Cambr Choir Of. By Maurice Gustavo Durufle. Arranged by James Bicigo. Contemporary. Score and parts. 21 pages. Polar Publications #6537447. Published by Polar Publications (A0.758050). This beautiful excerpt from Duruflè's Requiem, Op. 9 gives the brass choir a chance to exploit its similarity to the organ, and Durufle's music uses such beautiful colours that transfer to the brass choir beautifully. 3 tot in Bb, flugelhorn, 2 has in F, 2 tons, bass tan, euphonium, and tuba).