High Quality Content by WIKIPEDIA articles! Gerald Joseph Stenhouse "Jerry" Jemmott (born March 22, 1946 in the borough of The Bronx, in New York City) is an American bass guitarist. Also known as Gerald "Fingers" Jemmott, Rasan Mfalme or "the Groovemaster", Jemmott was one of the chief session bassists of the late 1960s and early 1970s, working with many of the period`s well known soul, blues, and jazz artists.