Drowsy Chaperone Tony winners Beth Leavel and Bob Martin will host the 6 PM concert, which will offer highlights from past musicals developed through the Festival.

Newly announced performers include Nikki Renee Daniels, who will perform from Children of Eden; Courtney Balan, who joins the previously announced Stephanie D'Abruzzo to perform from I Love You Because; as well as Cry-Baby's Michael Buchanan and Andrew C. Call, who will perform from Songs for a New World, alongside Chelsea Krombach and Cathryn Basile.

Previously announced to perform are Lauren Kennedy (who will sing from Vanities), LaChanze (The Bubbly Black Girl…), Malcolm Gets and Will Chase (The Story of My Life), Gavin Creel (Thoroughly Modern Millie), Rob Sapp (Honk!), Bobby Steggert (Harold & Maude), Ryan Driscoll (Summer of '42), Lauren Pritchard and Andrew C. Call (Striking Twelve), and Tony winner Leavel, who will reprise her work from The Drowsy Chaperone.

Jamie deRoy serves as honorary chair for the fundraiser, which has direction by Casey Hushion and musical direction by Lynne Shankel.

The NAMT Festival of New Musicals officially gets underway Oct. 20-21. The industry-only event provides eight new musicals a platform for greater exposure to potential producers and regional companies seeking to aid in the development of new work. Founded in 1985 and based in New York City, The National Alliance for Musical Theatre is a national service organization dedicated exclusively to musical theatre. Kathy Evans is the executive director for the organization with members sprinkled throughout 33 states and six countries.

For tickets to A Toast to 20!, priced $85, visit NAMT.

Comix is located at 353 West 14th Street in Manhattan.