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, the jazz flugelhorn and trumpet player whose catchy instrumental 'Feels So Good' made the pop top 10, has died at 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 the animated TV comedy “King of the Hill,