This is true for performance royalties but you will still have to pay sync fees to the music copyright owner and the master recording owner to use a commercially released track in a film.
On the royalty free side, I run this royalty free music library - http://www.music2license.com
This track...
A royalty free music site you could try is http://www.music2license.com. Tracks are not free to license but very cheap and they have a wide variety of high quality hand picked tracks.