This piece was originally written for the trombonist Michael Skitt, as the final prank movement of a concerto for trombone and orchestra. By popular request, the piece has been given a separate piano part, and has since been proved equally entertaining for trombone, bassoon or cello! Within a month of its publication, Buffoonery was set for trombone grade VIII on the Oxfordshire Instrumental Examinations Syllabus. Duration: 4- 5 minutes.TROMBONE & PIANO. Pieces in book are approximately Grade: 8 standard.