I found this today while researching THE OGRE: horrorscores.blogspot.com
Looks like many horror film scores are available for free download. Not sure of the legality of it all, but it sure looks intriguing if you don’t mind the compressed files.
I’m checking out Soundtrack Classics Vol. 1 right now: Here’s the link.
The tracklisting follows:

01 - [...]

Ennio Morricone’s audacious score to the Italian western NAVAJO JOE (1966) is one of the composer’s kitschiest, most inspired accomplishments, and it finally comes to CD from the prolific vintage soundtrack label, Film Score Monthly.

CHATO’S LAND (1972) marks the first time tough-guy Charles Bronson acted for British film director Michael Winner, an association that led to five additional features, including the hit-man classic THE MECHANIC and the controversial revenge drama DEATH WISH.