If you're wondering how John Prine, one of America's greatest living songwriters, came up with such great lyrics, just look to your mailbox. John tells Marc how his days as a mailman provided him time to ruminate on music, which led to his discovery by Kris Kristofferson, his friendship with Steve Goodman, and his encounters with Bob Dylan, Sam Phillips, Bonnie Raitt and others. See acast.com/privacy for privacy and opt-out information. Sign up here for WTF+ to get the full show archives and weekly bonus material! https://plus.acast.com/s/wtf-with-marc-maron-podcast.