‘Soul at the Center'*NEW YORK (AP) — “Soul at the Center,” a two-week black celebration, will be held at Lincoln Center for the first time this summer.There will be 13 events in Alice Tally Hall and three in Philharmonic Hall.Participating will be Jerry Butler, chairman of the board, the Rev. James Cleveland, Exuma, Nikki Giovanni, Donny Hathaway, Linda Hopkins, Rah-saan Roland Kirk and the Vibration Society, Labelle, Taj Mahal, Carmen McRae, Novella Nelson, Eddie Palmeri and Harlem River Drive, Esther Phillips, Rod Rodgers Dance Company, Mongo Santamana, Nina Simone, Cecil Taylor, National Black Theatre, Bobby Womack and others.