Pop/Jazz; Two Guitarists, Two Continents And Two Styles
LEAD: KO NIMO, 54 years old, who will be playing tonight as part of Lincoln Center's Serious Fun festival, is a lab technician and one of Ghana's premier palmwine guitarists. Moses Rascoe, 71, who plays tomorrow at the Central Park Band Shell, is a retired truck driver, and one of America's finest country-blues guitarists.