How would you make these sounds?

[GreatAnt]

From about the start of the clip to 25 seconds. I can imagine doing an ambient loop of some sorts but the main thing I was wanting to emulate is the sound that comes in at .13 seconds, it's a high note almost angelic sounding.

Any ideads?

Here's the clip:

http://www.youtube.com/watch?v=GJag8LQSTfo

[aphidinvasion]

not sure if being trolled by calvin klein or not 0.0

[Casavettes]

reverb set wet, real wet..