He was a Grammy-winning jazz legend, but a whole new generation knew him as the guy in the hat from ‘King of the Hill.’ Chuck Mangione, the musician behind ‘Feels So Good,’ has died at 84.

Chuck Mangione, a leading figure in contemporary jazz and the musician behind crossover hit "Feels So Good," has died. He was 84.

Two-time Grammy Award-winning musician Chuck Mangione, who achieved international success in 1977 with his jazz-flavored single “Feels So Good” and later became a voice actor on