Light-Years is a collaborative album by rapper Nas and producer DJ Premier, released in 2025 through Mass Appeal. It is their first full joint album, more than twenty years after Nas first announced a collaboration with Premier. The record closes Mass Appeal's Legend Has It… series and features fifteen tracks. Guest appearances include rapper AZ, a former Firm associate of Nas, and the Steve Miller Band. The production leans on Premier's classic boom bap style beneath Nas's narrative raps.