Shel Silverstein, who died in 1999 and has a posthumous book coming out in September entitled Every Thing On It, is getting a Central Park celebration this weekend. The author, mostly known for his children's books, also worked Off Broadway, wrote columns for Playboy, and even wrote Johnny Cash's "A Boy Named Sue"! In fact, here is he talking to his pal, the Man in Black:

This Saturday Lou Reed, Laurie Anderson, Martha Wainwright, Darrell Hammond and more will pay tribute to Silverstein at SummerStage. You can join in on the Shelebration for free—more details here.