Andrew Lloyd Webber, Zubin Mehta, Dolly Parton, Smokey Robinson and Steven Spielberg are the honorees at the 29th annual gala, hosted by Caroline Kennedy. Performers and presenters include Tom Hanks; Liam Neeson; Aretha Franklin; Kenny Rogers; Carrie Underwood; Shania Twain; Reba McEntire; Josh Groban; Reese Witherspoon; Betty Buckley; Sarah Brightman; Jessica Simpson; India.Arie; Sam Moore; Cee-Lo Green; and Jonny Lang.