@CNN: Bob Dorough, whose catchy “Schoolhouse Rock” tunes taught kids grammar and math, has died at age 94. https://t.co/CluCrVldpF https://t.co/Ka6elQb66Q
Bob Dorough, whose catchy "Schoolhouse Rock" tunes taught kids grammar and math, has died at age 94. https://t.co/CluCrVldpF pic.twitter.com/Ka6elQb66Q
— CNN (@CNN) April 25, 2018