Brass Ensemble Horn,Trombone,Trumpet,Tuba - Level 5 - Digital Download SKU: A0.562997 Composed by Johann Sebastian Bach. Arranged by Austin Ralphson. Baroque,Concert,Wedding. Score and parts. 10 pages. Austin Ralphson #433091. Published by Austin Ralphson (A0.562997). This is a brass quintet arrangement of the Prelude in C Major from Bach's Petits Preludes pour clavier, BWV 870a. It should be played with rhythmic precision throughout and at a consistent dynamic. The parts are not too difficult, though the 1st trumpet part does go quite high (written 'top D') towards the end.