So the way it works, you get 2 tracks sent to a music library, they email you they would like to sign them and ask if you have anymore.
Why, yes I think to myself. [Open email. Attach, Send]
Moral of the story: Sign 4 tracks! Oh, and also, work hard at getting your work up to snuff.
Still, it doesn't guarantee a placement on TV or in film, but it gets me that much closer. In the meantime, I'll keep writing.