Presented by Buick LaCrosse and Continental Airlines, the free annual event is scheduled to begin at 11:30 AM ET.
The concert will feature performances from current and upcoming Broadway productions to celebrate the beginning of the 2009-2010 Broadway season.
The annual event is currently scheduled to include appearances and/or performances from the stars of Bye Bye Birdie, Fela!, Memphis, Finian’s Rainbow, Ragtime, Billy Elliot The Musical, Burn the Floor, Chicago, HAIR, In The Heights, Irving Berlin’s White Christmas, Jersey Boys, The Lion King, Mamma Mia!, Mary Poppins, Next To Normal, The Phantom of the Opera, Rock of Ages, Shrek The Musical, South Pacific, West Side Story and Wicked.
In a statement McKean said, "It is an honor to be hosting this year’s Broadway on Broadway. I am thrilled to be a part of the Broadway community and I look forward to kicking off the new Broadway season at this amazing event."
For more information visit www.broadwayleague.com.