Besides Sting and Lauper, stars such as Sheryl Crow, John Mellencamp, Sarah McLachlan, Tori Amos, Edie Brickell, David Byrne, Fatboy Slim, Burt Bacharach, Elvis Costello and The Flaming Lips are making musicals.
The other eight companies include Veritas , Northwestern Energy, Jacuzzi Brands (nyse: JJZ - news - people ), Tramell Crow , John Harland , Hydril (nasdaq: HYDL - news - people ) and Caremark .
Past performers, who are never announced until they take the stage, have included Diana Ross, John Mellencamp, Sheryl Crow, Faith Hill, Lionel Richie, Jon Bon Jovi, Paul Simon, Stevie Wonder and Elton John.