In 1980, Stevie Wonder helped campaign for Martin Luther King Jr.'s birthday to become a national holiday. "I never saw it as being political," he says. "I just saw it as being the right thing to do."
Philippe Callant for NPR
Sylvia Moy and Stevie Wonder during the 37th Annual Songwriters Hall of Fame ceremony in 2006, at which Moy was inducted. Moy died Saturday at age 78.
L. Busacca/WireImage for Songwriter's Hall