Mark Whitfield, 59, is universally acclaimed as one of the greatest living guitarists of his generation. He fuses jazz, blues, gospel and rock into a seamless whole ever since he came under the sway of George Benson. Legends like Herbie Hancock and Wynton Marsalis have enlisted his aid. He has recorded with the likes of Mary J. Blige, Chris Botti and Christian McBride. He’ll be bringing his trio to Cedar Lane in Teaneck on May 2.