Marcus Gilmore (left) and Roy Haynes perform together in Washington, D.C., in 2009. Haynes' daughter is Gilmore's mother. Theo Wargo/Getty Images hide caption itoggle caption Theo Wargo/Getty Images A Blog Supreme When Your Grandfather Is The Greatest Living Jazz Drummer February 6, 2013 The prodigious drummer Marcus Gilmore, 25, has been playing with the biggest names in jazz since he was a teenager. He's coming off a career year that saw him named the top rising star among jazz critics. It helps that his grandfather is Roy Haynes, one of the great pioneers of the drum kit.