If you want to know the real story about David Pevsner (and who wouldn’t?) check out the world premiere of “Musical Comedy Whore,” his one-man show that opens Friday (May 17) at the Desert Rose Playhouse in Palm Springs. Pevsner, who Greg in Hollywood describes as “one of the busiest openly gay actors in LA,” has appeared in “Joshua Tree 1951: A Portrait of James Dean,” Scrooge & Marley” and “Role/Play” and did recent guest spots on “Modern Family” and “Grey’s Anatomy.” On Friday you can find out what he was doing while hunched over his laptop in recent months at Grindhouse Cafe. Tickets and more info are available online.