Instrumental Duet Instrumental Duet,Trombone,Tuba - Level 3 - Interactive Download SKU: A0.760833 Composed by Johann Sebastian Bach. Arranged by Dominic Meccia. This edition: Interactive Download. Classical,Standards. Score and parts. 4 pages. Duration 86. Dominic Meccia #4vY0DnVwMrORnT3EbqA6jV. Published by Dominic Meccia (A0.760833). Key: Bb major.