Gary Lanier: HYMNS of GRACE (Duets for Trombone & Piano) for Piano,Trombone written by Traditional American Melody, DANIEL B. TOWNER. The format of this sheet music is Score,Set of Parts and it’s published by The Lanier Company. Gary Lanier: HYMNS of GRACE (Duets for Trombone & Piano) is part of the following sheet music categories: Christian,Contemporary Christian,Gospel,Praise & Worship,General Worship.