Instrumental Duet Instrumental Duet,Viola,Violin - Level 4 - Digital Download SKU: A0.914136 Composed by Tom Swafford. 20th Century,Contemporary. Score and parts. 13 pages. Tom Swafford #3575013. Published by Tom Swafford (A0.914136). Originally written for two violins (version heard in music clip). Energetic duet with a lot of fun rhythms, references to a variety of styles and musical eras, and clever and evocative expression marks. This version makes use of some of the possibilities of the viola's low range.  Duration: 7 minutes. www.tomswafford.com ASCAP .