Alf Clausen, the legendary composer behind "The Simpsons'" iconic music for nearly three decades, has died at 84 after battling Parkinson's disease. Clausen's scores, integral to the show's humor and emotional depth, earned him numerous accolades, including two Emmys and five Annie Awards. Despite his 2017 firing, his legacy as "composer emeritus" endures, inspiring countless composers in animated television.