Lieberson, whose colorful music was greatly inspired by his devotion to the Vajrayana school of Buddhism, but is best known for the song cycles he worte for his late wiffe Lorraine. He was remarkably warm and easygoing the handful of times I would run into him in New York City, and had an amazing depth of knowledge about jazz. I never had the chance to meet Mathews, but he was an enormously important figure in postwar music as not only arguably the first computer composer but an innovator in the field of digital music creation and systems.