Trumpet Duet Trumpet - Level 2 - Digital Download SKU: A0.1476139 Composed by Alfred B. Smith and John W. Peterson. Arranged by Ron Swim. Christian,Country,Folk,Praise & Worship. Score. 12 pages. Ron Swim #1053664. Published by Ron Swim (A0.1476139). Surely Goodness and Mercy is an old time gospel favorite. This arrangement is for two trumpets or comination of Bb treble cleff instruments. Set in a 50's cowboy style, this piece will have the congregation swaying in the pews.