Right now, "The Wiz" is undergoing a revival on Broadway. The show, a musical spinoff of "The Wizard of Oz," first opened in 1975, but the story really became a beloved staple in homes around the country when Diana Ross, Michael Jackson, and Richard Pryor starred in the 1978 movie adaptation. With an updated book from comedian Amber Ruffin, "The Wiz" is running at Marquis Theatre, and star Kyle Ramar Freeman (Lion) and director Schele Williams ease on down to WNYC to discuss their revival.