Kristin Chenoweth (born July 24, 1968 ) is an American singer, musical theatre, film, and television actress, and author. Some of her best-known roles have included her role as Sally Brown in Broadway's You're a Good Man, Charlie Brown, her role as Glinda in Broadway's Wicked, and her role as Annabeth Schott in television's The West Wing. She most recently appeared in the role of Olive Snook on the ABC dramedy Pushing Daisies for which she won the 2009 Emmy Award for Outstanding Supporting Actress in a Comedy. Chenoweth is also the face of Jude Frances jewelry.
Chenoweth has a distinctive speaking voice. In FHM's March 2006 issue, she compared her voice to that of Betty Boop.
Chenoweth is a classically trained coloratura soprano, and well known for her skilled singing technique and artistic interpretations. She has a vocal range of four octaves. Chenoweth is able to sing the note "F6" (1396.913Hz), also known as "F above High C".
Here is one by Pretzelman