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.

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

The jazz musician toured with Art Blakely, contributed songs to two Olympic Games, and held a recurring role as himself on King of the Hill