Piano,Trombone - Level 4 - Digital Download SKU: A0.694426 Composed by Jim Duff. Arranged by Jim Duff. Jazz. Score and part. 60 pages. Jim Duff #302701. Published by Jim Duff (A0.694426). Commissioned in 1994 by Kenneth Knowles, associate professor Memorial University of Newfoundland. The composition includes Bass Trombone or Tuba accompanied by Piano and String Bass. Includes suggested solos for each of the 3 movements or chords for ad-lib solos. Score: 32 pages – Time: 8:30.