Archival interviews with his parents (many of which come from Scorsese’s own 1974 documentary, “Italianamerican”) help contextualize Scorsese’s own candid memories. '”To paraphrase Spike Lee, thank God he did. Thank God he could. And thank God he found so many ways to share himself with the world. Scorsese” premiered Saturday, October 4 at the New York Film Festival.