''AFRICA IN THE AMERICAS -- MUSIC AND DANCE OF PERU: PERU NEGRO.'' A pioneering Afro-Peruvian ensemble founded 35 years ago and based in Lima, Peru Negro will makes its New York debut with these performances of soulful music and sensuous dancing. Tomorrow at 8 p.m., Town Hall, 123 West 43rd Street, Manhattan, (212) 307-4100 (Dunning).