Instrumental Duet Instrumental Duet,Viola,Violin - Level 4 - Digital Download SKU: A0.815131 By Bill Medley & Jennifer Warnes. By Donald Markowitz, Franke Previte, and John DeNicola. Arranged by Julie Doubleday. Film/TV. Score and parts. 12 pages. Julie Doubleday #6567719. Published by Julie Doubleday (A0.815131). (I've Had) The Time Of My Life for Violin and Viola Duet.