John Cage was born on this day in 1912. In 1950, the American composer scored Herbert Matter’s mesmerizing twenty-minute film, Works of Calder. Cage’s soundtrack, which later won first prize at the Art Film Festival in Woodstock, was recorded in Calder’s studio and incorporated the sound of his mobiles colliding. “Sounds should be the noises and sounds characteristic of or relevant to what one is following or seeing,” Cage explained in a 1951 essay. “This is what I was thinking of in the Calder