Podcast:Fresh Air Published On: Fri Feb 10 2023 Description: It's been 50 years since Schoolhouse Rock appeared on Saturday morning TV to teach kids about math, grammar and history. We're listening back to portions of our interviews with some of the people behind those songs: Composer, pianist and singer Bob Dorough, songwriter and pianist Dave Frishberg, and trumpeter and singer Jack Sheldon.Also, film critic Justin Chang reviews Magic Mike's Last Dance, the third and final Magic Mike film starring Channing Tatum.