Big hugs for everyone!
Sad songs kind of cheer me up because it reminds me that what i'm going through is nothing new and in a way that makes me feel like people can relate to me.
I use music for so many things, and when I went through a break up I was listening a lot to the Killers 'When you were young' and generally other atmospheric things that made me think clearer. Some Sigur ros and other selected songs.
Everybody hurts has just some of the best lyrics i've ever read.