Instrumental Duet Instrumental Duet,Viola,Violin - Level 1 - Digital Download SKU: A0.812641 Composed by Johnson Oatman Jr. Arranged by Christopher Bell. Christian,Concert,Sacred. Score and parts. 3 pages. Silent Home Records #6517077. Published by Silent Home Records (A0.812641). Both parts are suitable for Level 1 students.Key of D Major. Approximately 2 minutes long.