He died in his sleep on July 22, although it's just being announced now. His biggest hit was Feels So Good in 1977. RIP, Chuck.
people.com
Jazz Musician Chuck Mangione, of 'Feels So Good' and King of the Hill Fame, Dies at 84
Jazz musician Chuck Mangione, a two-time Grammy winner known for his ubiquitous ‘70s hit “Feels So Good,” has died. He was 84. Mangione died at home in his sleep on Tuesday, July 22, a spokesperson for the star confirms to PEOPLE.