Music from the original alien used in prometheus

Ah, I noticed this during Shaw's and Holloway's debrief in front of the crew. I've read a lot of harsh criticism against the score. I don't think that it was all that impressive, but it didn't ruin the movie for me by any means.

i had a rush of excitement when that familiar theme kicked in. I was hoping for more of the classic Alien music. The bowed low pitched instruments and such...