Hosted and staged by Symphony Space artistic director and co-founder Isaiah Sheffer, the annual event will feature an array of works from Broadway — songs, overtures, dance music — performed by hundreds of well known and emerging artists.

Among those currently scheduled to entertain are Ivy Austin, Kate Baldwin, D'Ambrose Boyd, Mary Brienza, Kevin Burdette, Liz Callaway, Charlotte d'Amboise, Gregg Edelman, Melissa Errico, Raul Esparza, Lisa Flanagan, Alexander Gemignani, Randy Graff, Debbie Gravitte, David Greene, Jonathan Hadary, Mary Cleere Haran, George S. Irving, Mark Kudisch, Emily Loesser, Jo Sullivan Loesser, Terrence Mann, Kathryn Markey, Rob Marx, Brian Stokes Mitchell, Donna Murphy, James Naughton, Kelli O'Hara, Leenya Rideout, Vale Rideout, Tony Roberts, Jeffrey Schecter, Martin Vidnovic, Thom Christopher Warren, Julie Wilson, B.D. Wong, Chip Zien and artistic director Sheffer, who will perform "Don Jose from Far Rockaway" from Wish You Were Here.

Tony Award-winning musical director Paul Gemignani will conduct the orchestra for the "Broadway Classics" segment, which closes the marathon beginning at 8 PM.

This year's event will also feature a chat with Tony winner Harold Prince; segments titled "Musicals That Inspired Me" and "Gems From Flops" hosted by musical theatre scholar and author Leonard Fleischer and president of the Rodgers & Hammerstein Organization Theodore Chapin; and a chat with In the Heights' Lin-Manuel Miranda hosted by Sheldon Harnick.

Young composers from the ASCAP and BMI Workshops will participate, and the current casts of Broadway's West Side Story, Guys and Dolls, Mary Poppins, The Lion King, The Little Mermaid, Shrek and South Pacific will also perform. The lobby and theatre interior will feature large-scale reproductions of Broadway drawings by the late Al Hirschfeld.

Peter Norton Symphony Space is located in Manhattan at 2537 Broadway (at 95th Street). For more information visit www.symphonyspace.org.