Instrumental Duet Instrumental Duet,Piano - Level 3 - Digital Download SKU: A0.988522 Composed by Michelle Madder. Contemporary,Instructional,Standards. Score and parts. 2 pages. JAMM Music Pty Ltd #6463429. Published by JAMM Music Pty Ltd (A0.988522). ‘As fast as practical’ and lots of fun (you even get to use your elbows!) - this is an equal level duet for Foundations and Advancing students.