Chicago producers have purchased ten tickets from Safe Horizon, the gala's beneficiary. Those tickets will be distributed by the use of a lottery beginning at 3 PM Nov. 13. Fans are invited to sign up outside the Ambassador Theatre, where Chicago now plays. The winners will be selected at 5 PM.

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The 10th anniversary gala — directed by Walter Bobbie — is scheduled to boast the talents of Kevin Richardson, Ashlee Simpson, P.J. Benjamin, John O'Hurley, Obba Babatunde, Sharon Lawrence, Lynda Carter, Paige Davis, Bianca Marroquin, Chuck Cooper, Christopher MacDonald, Destan Owens, Tom Wopat, Ron Raines, Gerry McIntyre, Raymond Bokhour, Kevin Carolan, Tom McGowan, Ron Orbach, Bruce Winant Charlotte d'Amboise, Caroline O'Connor, Chita Rivera, Brent Barrett, Rob Bartlett, Melanie Griffith, Brooke Shields, Wayne Brady, Marilu Henner, Huey Lewis, Gregory Harrison and Rita Wilson as well as original cast members Ann Reinking, Bebe Neuwirth, James Naughton, Joel Grey, D. Sabella and Marcia Lewis. The performance and post-show gala will benefit Safe Horizon, "a victim assistance agency that provides support, prevents violence, and promotes justice for victims of crime and abuse, their families and their communities." Visit www.safehorizon.org for more information.

The Ambassador Theatre is located in Manhattan at 219 West 49th Street.