Steven Spielberg and John Williams on how music became an actor in Jaws and Close Encounters

The bass notes in the Jaws theme and the five tone melody in Close Encounters of the Third Kind are two of the biggest stars of those films. They set the mood, build tension, and drive the plot. In Close Encounters, those notes are literally a crucial element of the plot. Above, Colbert talks with director Steven Spielberg and composer John Williams about how music can be an actor.

(Thanks, Gil Kaufman!)