Parks also directed the 1972 sequel, "Shaft's Big Score", in which the protagonist finds himself caught in the middle of rival gangs of racketeers. Parks's other directorial credits include "The Super Cops" (1974) and "Leadbelly" (1976), a biographical film of the blues musician Huddie Ledbetter. In the 1980s, he made several films for television and composed the music and a libretto for "Martin", a ballet tribute to Martin Luther King Jr., which premiered in Washington, D.C. during 1989. It was screened on national television on King's birthday in 1990.