Where do I get the music from this movie???

The tracks that are in the film are these and I got them from the credits of the movie

1) Minerva - Flesh Eating Mothers Music Score

2) Sherri Lamar - Suburbia

3) Sherri Lamar - Eat Raw Meat

4) Heiner Zwahlen - Transition-H

5) Sherri Lamar - Monsters

Where do i get them???