People called Blondie “sellouts” when “Heart of Glass” hit it big. Guitarist and writer Chris Stein didn’t care. He knew they were onto something. Incorporating dance, rap, reggae and ’60s girl group sensibilities, Blondie catapulted new wave into the public eye. In this episode, Chris Stein remembers the dark and gritty New York that he once inhabited, and outlines the complicated technical process that went into making Blondie’s chart-topping hit.