Some of today's best artists will join together to pay tribute to Prince. The all-star Grammy salute to Prince is called Let's Go Crazy. Alicia Keys, Usher, John Legend, Common. Foo Fighters, H.E.R., Earth, Wind and Fire and more will participate. Long-time Prince associate Sheila E. will serve as musical director along with super-producers Jimmy Jam and Terry Lewis. The concert will be recorded two days after the Grammy Awards and the special will air sometime in April.