Piano Solo - Level 3 - Digital Download SKU: A0.1114049 Composed by Karin Dreijer Andersson. Arranged by Caio Varalta. Contemporary,Film/TV,Medieval,Multicultural,Video Game,World. Score. 4 pages. Caio Varalta #715953. Published by Caio Varalta (A0.1114049). Intermediate piano arrangement of If I Had A Heart by Karin Dreijer Andersson (a.k.a. Fever Ray). This song was originally featured as the main theme of the Viking series. The main purpose of this arrangement is to transcribe the music for piano in its entirety and to add some succinct harmonic ideas to the main theme while preserving the melodies.