Cooper formed the band in 1968 and had hits in the U.S. with "Couldn’t Get It Right" in 1976 and "I Love You" in 1981.
http://www.timesonline.co.uk/tol/comment/obituaries/article4411661.ece
http://www.timesonline.co.uk/tol/comment/obituaries/article4411661.ece