Music question S04E03

In the TV news special, there's a short film by Adam Curtis. Here's a link:

http://www.youtube.com/watch?v=PBfeZQDo9o8&feature=related

I'd like to know the music that starts at 01:17 and ends around 01:50. Oh, and another piece from 04:04 to 05:03.

Thanks in advance if anyone can help!