Bert Lahr (far right), Ray Bolger (back row, right), Judy Garland (sitting, right), composer Harold Arlen (sitting left), and various MGM and music publishing executives sing songs from the 1939 film musical 'The Wizard of Oz' around a microphone in the NBC radio studio, circa 1939. Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images