Jack Antonoff won two Grammys with the band Fun. His new project, Bleachers, already has a chart-topping hit. He’s written blockbuster pop songs for Taylor Swift and Sara Bareilles. In light of this early success, Jack tells Marc how everything he’s done in his career so far has been shaped by one indelible moment, a world-shattering event that informs every decision. This episode is sponsored by Prosper, LegalZoom and Comedy Central.