Instrumental Duet Instrumental Duet,Trombone - Level 3 - Digital Download SKU: A0.613782 Composed by Felice Giardini. Arranged by Gary Lanier. Sacred. Score and parts. 8 pages. The Lanier Company #34177. Published by The Lanier Company (A0.613782). COME, THOU ALMIGHTY KING is an arrangement by Gary Lanier for Trombone and Piano of a popular old hymn tune. It works great for offertories, special music for a worship service, or for the joy of playing it in any situation where inspirational music is desired (8 pages with cover). A mp3 Piano Accompaniment (aka Rehearsal Track) is also available, listed as: COME, THOU ALMIGHTY KING (Piano Accompaniment for Trombone).