Instrumental Duet Instrumental Duet,Viola,Violin - Level 4 - Digital Download SKU: A0.1154571 Composed by Antonio Vivaldi. Arranged by Fabio Britto. Baroque,Classical. Score and parts. 5 pages. Fabio Britto #754850. Published by Fabio Britto (A0.1154571). Arrangement of Spring 1st Movement from Four Seasons (Antonio Vivaldi) for Violin & Viola Duo. #baroquemusic #baroque #classical #vivaldi #fourseasons #spring.