The company of Andrew Lloyd Webber and Tim Rice’s rock musical Jesus Christ Superstar welcomed '70s rock superstar Gregg Allman (of The Allman Brothers fame) and his fiancée Shannon Williams to the show on June 14. After jamming out to tunes like “Everything’s Alright” and “The Last Supper,” Allman and Williams made their way backstage at the Neil Simon Theatre to meet talented stars Josh Young, Paul Nolan and Chilina Kennedy. Click below to see what the buzz behind Superstar is all about, and get your tickets now to see this classic rock musical live.