Guitar Heaven: The Greatest Guitar Classics of All Time, referred to as simply Guitar Heaven, is the twenty-first studio album by Santana, released on September 21, 2010. It is a classic rock covers album and features guest performances by several popular vocalists, including India.Arie, Joe Cocker, Chris Cornell of Soundgarden & Audioslave, Scott Stapp of Creed and Art of Anarchy, Scott Weiland of Stone Temple Pilots, Velvet Revolver and Art of Anarchy, Chris Daughtry of Daughtry, Jacoby Shaddix of Papa Roach, Chester Bennington of Linkin Park, Dead By Sunrise and Stone Temple Pilots, Rob Thomas of Matchbox Twenty, Pat Monahan of Train and rapper Nas.