21 Savage Tapped For “Saw: Spiral” Soundtrack 21 Savage is on board to executive-produce music for the newest project in the horror franchise, “Saw”. A new trailer for “Sprial: From the Book of Saw” was just released and included Savage’s new single,”Spiral” playing throughout the clip. Chris Rock and Samuel L. Jackson star in the movie that is set to debut in theaters on May 14, 2021. Do you like the Saw movies? What is the scariest movie in the Saw franchise?