George C. Wolfe directs the memorial concert at the Al Hirschfeld Theatre.
The evening will celebrate the writers as well as the stars who perform their work.
TheaterMania pays tribute to the late comedian with some of her best moments backstage at Broadway shows.
The show, titled Big Noise from Winnetka, will play New York from September 8-20.
Check out the stars before they take the stage at the supper club.
Jeremy Benton, Hunter Ryan Herdlicka, and others will also be on hand to "Rise, Rise, Rise" at 54 Below.
Barbra Streisand, the subject of the solo send-up, plans to attend a performance during the L.A. run.
David Hyde Pierce directs Christopher Durang's Tony-winning comedy.