OYE....Who Knows....If you Know Toby Keith you could just play it on a guitar. The Studios in Nashville promising the world if you do a demo there for $3000 are just ripoffs.
I don't think that 99% of us have any chance of getting a song to anybody whether it is done Great or Average.
I send my demos around like this.

http://www.youtube.com/watch?v=z3DniJWwc0Y&feature=youtu.be

Try and find a local band or singer and pitch them your songs.
Barry David Butler
Contact me at bdbutler@centurylink.net