Twenty years after the release of Nas’s groundbreaking debut album ‘Illmatic,’ NAS: TIME IS ILLMATIC takes us into the heart of his creative process. Returning to his childhood home in Queensbridge, Nas shares stories of his upbringing, his influences — from the music of his jazz musician father Olu Dara to the burgeoning hip-hop scene in New York City — and the obstacles he faced before his major label signing…