Trombone Duet Trombone - Level 2 - Digital Download SKU: A0.1405177 Composed by Gail Fisher, Joe Zawinul, and Vincent Levy. Arranged by Sidnei Borgani. Christian,Funk,Praise & Worship,Religious,Spiritual. Score. 3 pages. Sidnei Borgani #988221. Published by Sidnei Borgani (A0.1405177). Mercy, Mercy, Mercy (Trombone Duet) Joe Zawinul Fun Spiritual/ Gospel/ Funk song . Arrangement for 2 trombones . Really fun. Score / Parts with Melody, and harmony. Easy Level...