On the long road to becoming an Oscar-winning animation director, Gene Deitch became an intense jazz fan. At the age of 21, he discovered The Record Changer magazine, a jazz fan magazine filled with obsessive, scholarly, and purist essays about jazz as well as listings of hard-to-find jazz albums. Every jazz swinger in the '40s was called a cat (as in "cool cat"), so Gene Deitch created a cartoon feature for Record Changer titled "The Cat," which...