The Hagar/Hart Project is a collaboration between rock singer Sammy Hagar and Grateful Dead drummer Mickey Hart. While Hagar has jammed with The Dead, and Mickey has shown up on various solo Hagar albums, the only released product of the project came by way of a digital download single called, "Code War". The song was released on mp3.com[1] in December of 1999. There have been no known live performances of the track.