Itamar Moses and Michael Friedman's new musical is conceived and directed by Daniel Aukin.
The homegrown Hulu series features a host of Broadway stars.
Additional performers for the benefit concert have been announced.
Wesley Taylor, Adam Chanler-Berat, and Mitchell Jarvis will also participate in the 54 Below event.
The new musical is written by Kim Rosenstock, Will Connolly, and Michael Mitnick.
The trio stars in this entirely original new musical at Playwrights Horizons.
The new musical will begin performances at Playwrights Horizons on May 16.
Broadway veterans featured in Playwrights Horizons' upcoming New York premiere musical.
The story will continue in Los Angeles.