From the Playbill website:
"Performers from all walks of Broadway and beyond lend their voices to a great cause in a one-night-only concert. Proceeds will benefit GLAAD, the leading organization in support of a positive LGBT image in the entertainment industry. Hosted by Julia Mattison (Godspell), the concert will feature Scott Alan, Mia Gentile (Forbidden Broadway), Sean Green Jr. (Trailblazers, Grassroots), Marja Harmon (The Book of Mormon), Brian Charles Johnson (American Idiot, Spring Awakening), Megan McGinnis (Little Women, Thoroughly Modern Millie), Ciara Renée (Pippin, Big Fish), Jessica Vosk (The Bridges of Madison County), Jacob Keith Watson (Violet), Natalie Weiss (Everyday Rapture) and Ari McKay Wilford (Once)."
Tickets are available here and the GLAAD event will be on Monday, August 4th.