Earnest: Have you read any good books lately? cheap buy online sparxx rx George Duke, the master keyboardist who bridged jazz, R&B, funk, and Brazilian music, died at St John's Hospital in Los Angeles on Aug. 5, 2013. He was 67. He was being treated for chronic lymphocytic leukemia. In a career that spanned more than 40 years, Duke worked with stars including Michael Jackson, on 1979's "Off The Wall," Miles Davis, producing and composing tracks on several key albums of the '80s, and Frank Zappa, with whom he appeared on "Mothers of Invention" albums from 1970 through the early '90s. Since 1976, the Grammy-winning star issued more than 40 albums under his own name. He is survived by two sons, Rashid and John.