George Duke

George M. Duke was an American keyboardist, composer, singer-songwriter and record producer. 

He worked with numerous artists as arranger, music director, writer and co-writer, record producer and as a professor of music.

In the late 60's and 70's he played in Cannonball Adderley's band as well as with Frank Zappa in The Mothers Of Invention . Talk about a versatile musician...