That looped buzzing sound in the beginning is nicked from The X-Files: Fight the Future. Hooray for me!
Just caught it on TV the other night and it instantly clicked. It's the sound of bees right before they are released in those big white "hangars".
Guess it goes along well with the overall theme and the video.

Check it out if it's at hand!

Devin explains how he made it on the Contain Us commentary, does he not? i don't recall him saying anything about the X-Files or bees...

Didn't catch that one yet, unfortunately.
The sound is dead on, though...