Our Broadway bestie is back in New York and ready to take on Carnegie Hall! Tony and Emmy winner Kristin Chenoweth visited the Late Show with David Letterman on April 1 to discuss her upcoming program at the historic venue, The Evolution of a Soprano. It just wouldn't feel right if she didn't sing just a snippet of something at every talk show appearance, so the original Wicked star sang a well-known tune from another story about Oz. And yes, she ends with a signature "Cheno-note." Take a listen below!