Don Darryl Rivera
The benefit concert will feature performances by Christopher Sieber, Betsy Wolfe, and more Broadway talent.
The benefit performance will also feature Jeff Blumenkrantz, Jennifer Cody, and Don Darryl Rivera.
Full casting for the festival has been revealed.
A series of new musicals will be presented in readings on October 23 and 24.
The new musical welcomed Tina Fey and Disney family members including John Lasseter, Bob Iger, Laura Michelle Kelly, and Sierra Boggess.