Photo: Chantal Anderson/The New York Times/Redux If there’s one thing that supports my belief that John Williams is the greatest film composer of all time, it’s how he brought an almost sacred seriousness to even the lowest-brow movie material. Before Williams, Star Wars was a bunch of actors in Halloween costumes running around wooden spaceship sets. After he waved his conductor’s wand, it was an ornate space opera — a mythic world we are still getting lost inside. Another prime example of his