Instrumental Duet Instrumental Duet,Viola,Violin - Level 1 - Digital Download SKU: A0.1043134 By Roy Orbison. By Bill Dees and Roy Orbison. Arranged by Marina Molaro. 20th Century. Score and parts. 2 pages. Molaro Marina #647844. Published by Molaro Marina (A0.1043134). Appropriate for Schools, Students and Amateurs.