The 16-time Grammy Award-winning hitmaker performs Friday at Ravinia with renowned jazz trumpeter Chris Botti and singer Katharine McPhee.

Katharine Hope McPhee (born March 25, 1984) is an American singer-songwriter and actress. In May 2006, she was the runner-up on the fifth season of American Idol.

This Betty Boop is Broadway's newest star Theater How to buy cheap (er) Broadway tickets See the nominees list here; NPR will have live updates of the winners. How to watch the 78th annual Tony ...