All Cast
Barbra Streisand
Self
Diana Krall
Self
Tony Bennett
Self
Stevie Wonder
Self
Arturo Sandoval
Self
Seal
Self
Leona Lewis
Self
Herbie Hancock
Self
Nikki Yanofsky
Self
Lea Michele
Self
Jeff Beck
Self
LeAnn Rimes
Self
BeBe Winans
Self
Faith Hill
Self
Matthew Morrison
Self
Kristin Chenoweth
Self
