If you’ve watched the trailers for Ridley Scott’s film Prometheus, you’ve probably noticed the jarring sound that’s played over and over at the end. It’s a disturbing mix of a scream and an alarm.
Where have I heard that before? It’s not from any of the other Alien films. It was in the trailer for the original Alien film (also directed by Ridley Scott):
It’s a cool sound, maybe cool enough to be a ringtone?