It took us numerous attempts and a number of hours to find the correct soundtrack for our film which was suited to our type of film, which is of a mood and dark setting, meaning it was difficult to find one like that as most of them are copyrighted. We looked at lots of different websites such as the ones below, looking for the perfect non-copyrighted music to suite our film.
http://freemusicarchive.org/
http://www.thebluemask.com/music/
We eventually found one which we felt was perfect for our production as we felt it placed the correct tone and setting onto our film.