Sting is one of the artists scheduled to perform at a concert rally in Washington DC this Sunday. Billed as The Climate Rally, the April 25th event is being held to raise environmental awareness. Sting will join R&B star John Legend to perform at the event on the National Mall in D.C. Also appearing at the show are Booker T. Jones, Mavis Staples, Grateful Dead's Bob Weir, and more.
