Chuck Mangione, the Grammy-winning jazz bandleader and musician who scored an unlikely top-five hit in 1978 with the jazz instrumental "Feels So Good," has died at age 84, according to a note on his official website.

Chuck Mangione, the jazz flugelhorn and trumpet player whose catchy instrumental 'Feels So Good' made the pop top 10, has died at 84.

"Feels So Good" is a staple on most smooth-jazz radio stations and has been called one of the most recognized melodies.