Must say this movie completely passed me by, but looks fun:
[video]http://www.youtube.com/watch?v=wUqsXvBAqRY[/video]
Hard to tell much about the soundtrack just from this - sounds kinda generic horror bombast.
The Waxwork cover art looks to have been done by the guy who recently did the Afterlife with Archie comics art, which is good news, as this was the best thing about that series:
By the way, just for the sake of the search engines (and to differentiate from other movies with the same or similar titles) it appears to be called Trick 'r Treat.