Easy Piano: Let It Go from Frozen - Let's Play Music Jul 07, 2014So this brings us to the choice of music. Piano music that says it’s easy isn’t always that easy. After all it’s all relative and young players have more challenges to overcome than older ones. Tips for choosing “popular song books” for kids to play on the piano. 1. Choose the easiest piece available and don’t necessarily believe the reviews. Frozen (Easy Piano) Sheet Music By Various - Sheet Music Plus Frozen (Easy Piano) ISBN 1480383015. 9x12 inches. This souvenir songbook features beautiful full-color scenes from the smash hit Disney animated feature along with 11 of the songs by songwriters Robert Lopez and Kristen Anderson-Lopez arranged for easy piano.