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Hear Our Prayers by Yuki Kajiura

http://www.youtube.com/watch?v=zJ-CLKqFScg

This Thing Between Us is a Rickety Bridge of Impossible Crossing/Bonfire for Nobody by Set Fire to Flames.

here's the song:

http://www.youtube.com/watch?v=d0d9prq0bHY

Shostakovich's String Quartet 8?

Mozart's requiem- 1st movement is really sad, but there is a happy part in the middle. I can see it fitting into the subject though.

Hi!

May sound a bit childish, but I really like these osts. They are sad, you just have to look for more.

http://www.youtube.com/watch?v=yEHkgcCv3QI

Good luck on them poems! Hope you do well!

http://www.youtube.com/watch?v=L0zQSiGGW-c&feature... - close your eyes. It was used in a Buffy episode but I still think it sounds quite sad. The piano bit is quite sad

Joshua Radin has some pretty sad sounding stuff but most of it has singing in it...

use violene it is suitable