"Great Performances' 40th Anniversary Celebration," which includes appearances from Julie Andrews, Audra McDonald, David Hyde Pierce, Don Henley, Josh Groban, Itzhak Perlman, Peter Martins, Patti Austin and Take 6, Elīna Garanča and Michael Bublé, airs Oct. 18 from 9-11 PM ET on PBS.
SOURCE: Playbill at 12:00AM on October 18, 2013