Piano,Vocal,Voice - Level 1 - Digital Download SKU: A0.920604 Composed by Adam Anders, Nikki Hassman, and Par Astrom. Arranged by Elizabeth Essex. Contemporary. Score. 3 pages. Elizabeth Essex #6633435. Published by Elizabeth Essex (A0.920604). If Only from the Descendants movie, famously sung by Dove Cameron is arranged in middle c position for young or beginner piano students in their first or second year of study.