The comedy by Moss Hart and George S. Kaufman stars James Earl Jones and Rose Byrne.
The awards honor theater artists for outstanding artistry.
Stars Adam Jacobs and Courtney Reed greeted the Grammy winner.
The three-time Tony Award winner discusses straying from musical theater as the director of Joe DiPietro's new play.
The evening's performers will include Ali Ewoldt, Allyson Tucker, and Emily Walton.