From Wikipedia: "George Duke (January 12, 1946 – August 5, 2013) was an American musician, known as a keyboard pioneer, composer, singer and producer in both jazz and popular mainstream musical genres. He had worked with numerous acclaimed artists as arranger, music director, writer and co-writer, record producer and professor of music. He first made a name for himself with the album The Jean-Luc Ponty Experience with the George Duke Trio. He was known primarily for thirty-odd solo albums as well as for his collaborations with other musicians, particularly Frank Zappa."