im recordin an ambient track where an array of strings section is required.
can anyone tell me what effect can be used in ableton to get this appropriate sound in the following link.

http://www.youtube.com/watch?v=eHx3sfvCgNU (see at 2:00 and after 4:00 .. at 4:00 theres a whole orchestra thing goin on .. but what exactly is this at 2:00 or after)