The Jon Robin Baitz drama will begin performances April 10 off-Broadway.
Inside the celebration for the new play by Quiara Alegría Hudes.
Tony winner Tonya Pinkins, Amy Brenneman, and other theater veterans are also set to participate in the one-night-only benefit event.
The award recognizes excellence in musical theater.
Bess Wohl's American Hero and Tanya Saracho's Mala Hierba will play at the McGinn/Cazale Theatre.
Gurwitch's work will be read as a one-night-only event at the off-Broadway theater.
The off-Broadway institution held its annual bowling gala on Monday night.
Trip Cullman will direct the drama in April.
González will oversee the musical elements of Pulitzer Prize winner Quiara Alegría Hudes' drama.