Hmmm there are a few songs I use when role playing during certain moods. Sorry I couldn't figure out how to emb them I posted the emb link but it wouldn't work x.x
This one is usually one I use during deep conversations.
http://www.youtube.com/watch?v=lJdCk_Kteog
I also like this one for roleplay fights
this one for long travels
http://www.youtube.com/watch?v=jjH4VkpXXnY
And this one for sad moments