Instrumental Duet,Trombone,Trumpet - Level 3 - Digital Download SKU: A0.1023929 Composed by Antonio Vivaldi. Arranged by Dale Vail. Baroque. 49 pages. Dale Vail #6488477. Published by Dale Vail (A0.1023929). Concerto for Two Cellos by Vivaldi, arranged for two Brass instruments by Dale Vail Playing level: Grade 8 A transcription of the famous Vivaldi Concerto for Two Cellos. This version can be used for any combination of instruments in Bb or C Bass Clef. Parts in Treble Clef Bb, and Bass Clef in C for both parts. www.dalevail.com