2 Trumpets - Easy - Digital Download SKU: F2.FM649 Composed by Paul Austin Kelly. Score and Parts. 13 pages. Forton Music - Digital #FM649. Published by Forton Music - Digital (F2.FM649). ISBN 9790570485482.The first book in a duet series, the BIG BAD WOLF Duets series will offer teachers and students the opportunity to play duets. The accompanying backing tracks fill out the ensemble in a motivating, enjoyable way, whilst teaching students the discipline of rhythmic and harmonic structure.