Singer-songwriter JP Saxe opens up about the buzzy duet “If the World Is Ending,” which became a pandemic anthem for many quarantining together with their loved ones. He also explains how his relationship with cowriter (and singing partner!) Julia Michaels went from professional to romantic as they recorded the track.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.