Piano,Vocal,Voice - Level 3 - Digital Download SKU: A0.1499437 By Jon Guerra. By Jon Guerra. Arranged by Alisha Makes Music. Christian,Classical,Contemporary. Score. 8 pages. Alisha Makes Music #1075498. Published by Alisha Makes Music (A0.1499437). This is a piano and vocal arrangement of Jon Guerra's acoustic version of Hold On from the album Keeper of Days.