Trombone Duet Trombone - Level 3 - Digital Download SKU: A0.783152 Composed by John Francis Wade. Arranged by John Groves. Christmas,Holiday,Praise & Worship,Religious,Sacred. Score. 5 pages. John Groves #6073103. Published by John Groves (A0.783152). O Come, All Ye Faithful (Adeste Fideles) - arranged for Trombone Duet or duet with Euphonium / Baritone B.C.Includes Score and Parts.