Workers of the world unite as we celebrate with thoughts from hardworking shoeshiners young and old; and visit with San Francisco folklorist Archie Green who expains why recordings like Merle Haggard’s “Workingman’s Blues” have eclipsed the old labor song tradition. In addition to music for your weekend picnic and parties, hear one of host Nick Spitzer’s favorite segue sets: Paul Robeson, Randy Newman, and Ray Charles—where Joe Hill finds himself “Busted.”