One of the biggest voices in pop music has no face: Sia. She started her career as a ghostwriter for stars like Rihanna and Beyoncé. Recently she found pop star success with her hit "Chandelier." So with her new album, "This Is Acting," you'd expect to see her front and center. Instead, she hides her face from the media spotlight, covered by wigs, hats and other foreign objects. Lindsay Zoladz from NYMag joins us to discuss Sia's the musician and Sia the media spectacle. Featuring: Sia - Chandelier Rihanna - Diamonds Sia - Alive Sia - Reaper Rihanna - Work (ft. Drake) Sia - Bird Set Free Duke Ellington - Cotton Club Stomp Duke Ellington - East St. Louis Toodle-O Duke Ellington - Ko-Ko JC Burnett - Amazing Grace Charlie Johnson - The Boy In The Boat 

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