...and I feel like I haven't got the story going yet. do you think this is too long to set the scene? I plan on having some action soon...

I did this same thing... (only it took me much longer to get the story actually going.)
Fifteen pages is good. It's about fifteen minutes, and that's about how long normal movies take to really get into the story (you know, give or take a few minutes).

Ghost Love Score is a cool song. I wrote a script about vampires in love and that song would be the main theme