New York - The producers of the viral Web parody video "Prop 8 -- The Musical" will stage a one-night-only live performance next month on Broadway as part of a benefit called "Defying Inequality: The Broadway Concert," Variety reported. The Feb. 23 performance will include creator and "Hairspray" composer Marc Shaiman, "Wicked" composer Stephen Schwartz, playwright Douglas Carter Beane, and actors including Harvey Fierstein and Rue McClanahan.