Brass Ensemble Horn,Trombone,Trumpet,Tuba - Level 5 - Digital Download SKU: A0.976690 Composed by Trevor Alfred Charles Jones. Arranged by Edmund Morgan. Contemporary. Score and parts. 15 pages. Edmund Laurence Morgan #6341489. Published by Edmund Laurence Morgan (A0.976690). The Dark Crystal - OvertureAn arrangement of the overture to The Dark Crystal as composed by Trevor Jones. A piccolo trumpet is suggested for parts of the 1st trumpet music but can be played down an octave as required. This is a very tricky one to pull off and would be a perfect challenge for music majors/college students.