Trombone Duet Trombone - Level 4 - Digital Download SKU: A0.552528 Composed by Johann Joachim Quantz 1697-1773. Arranged by James M. Guthrie. Baroque,Concert,Holiday,Love,Standards,Wedding. Score. 25 pages. Jmsgu3 #6368941. Published by jmsgu3 (A0.552528). Duetto Op. 2 No. 2I. Allegro assaiII. AndantinoIII. PrestoDuration: 7:40 Score: 13 pages.