(Educational Piano Library). Eight great arrangements of piano-based pop ballads for the intermediate-level pianist. Titles: All of Me (John Legend) * Lost Boy (Ruth B) * One Call Away (Charlie Puth) * Say Something (A Great Big World feat. Christina Aguilera) * See You Again (Wiz Khalifa feat. Charlie Puth) * 7 Years (Lukas Graham) * Stay With Me (Sam Smith) * When I Was Your Man (Bruno Mars).