Barbara Cook, Vanessa Williams and More Chat About Sondheim on Sondheim

Stephen Sondheim is one of the most produced, decorated, revered and acclaimed living composer/lyricists in musical theater history, Now he's opening up in a unique new musical revue at Roundabout Theatre Company. Starring Barbara Cook, Vanessa Williams, Tom Wopat, Leslie Kritzer, Norm Lewis, Euan Morton, Erin Mackey and Matthew Scott and directed by frequent Sondheim collaborator James Lapine, Sondheim on Sondheim includes dozens of the artist's best-loved songs, as well as many you've never heard before. The show also features Sondheim as a character, with revealing video interviews with the genius that expose intimate details from his storied creative and personal life. Broadway.com checked in with the stars as they prepare for their April 22 opening to get the scoop.