Brass Ensemble Trombone,Tuba - Level 5 - Digital Download SKU: A0.760981 Composed by Wolfgang Amadeus Mozart. Arranged by Arranged by Stephen Rockey. Classical,Concert,Graduation. Score and parts. 33 pages. Stephen Rockey #3586063. Published by Stephen Rockey (A0.760981). Eine Kleine Nachtmusik, W.A. Mozart arranged for Trombone Quartet. This is not easy, but is fun to play. Time to practice your trills! Parts in C bass clef, C tenor clef, Bb Treble Clef for Trombones 1,2 & 3, Bass trombone in C bass clef with alternative part in Eb Treble Clef Tuba.