Piano Arrangements Popular Arrangements for Solo Piano and Duets. look inside Demons By Imagine Dragons. Piano Duet for Four Hands. Pop, Rock. Individual Part, Score, Set of Parts. 15 pages. Published by Brent C Robitaille (H0.116917-227200). Buy at Sheet Music Plus for $4.99 look inside Mad World – Solo Piano Arrangment By Gary Jules. Solo Piano. Individual Part, Set of Parts. 9 pages. Published by Brent C Robitaille (H0.154913-507905).