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 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.