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 musician whose "Feels So Good" cracked the pop top 10 chart in the 1970s, died Tuesday at 84 years old, officials said.He was 84. Mangione died "peacefully" in his sleep at his home in Rochester,

Chuck Mangione, the virtuoso jazz flugelhorn player, trumpeter and composer who had a left-field Top 5 pop hit with "Feels So Good" in 1978, died July 22 at 84.