John Legend

American singer, songwriter, pianist, record producer and actor. He began his musical career by working behind the scenes, playing piano on Lauryn Hill's "Everything Is Everything", and making uncredited guest appearances on Jay-Z's "Encore" and Alicia Keys's "You Don't Know My Name". He was the first artist signed to Kanye West's GOOD Music, on which he released his debut album Get Lifted, which reached the top ten on the Billboard 200 and was certified double platinum by the Recording Industry Association of America.