An earthquake hits the California coastline while Prince is in L.A. recording at Sunset Sound, and has an unexpected influence on his classic song “Sign O’ The Times.” With insights from Warner Bros. Records president Lenny Waronker, engineer Susan Rogers, collaborators Susannah Melvoin, Wendy Melvoin, and Lisa Coleman, and scholars Duane Tudahl and Daphne A. Brooks. Learn more about your ad choices. Visit podcastchoices.com/adchoices