Not a collector anymore but I have a pretty big collection at my parents house. Even got all my Dad's Beatles, Stones, you name it ones from back in the day which for some reason he decided to get rid of. Temporary insanity I think. He even had all these Elvis ones but I was younger so just grabbed the ones I liked. Should've taken everything he had looking back.

There used to be a shop in Glasgow called Missing that sold 2nd hand records, I bought loads from there. I was a sucker for coloured vinyl, picture discs and anything they had up on the top shelf where they kept obscure stuff if it was by a band I knew.

Have you had a look on Rutracker? I got a bunch of John Carpenter music and the Creepshow soundtrack from there. I don't normally go for that kind of stuff but always liked the Fog music and Creepshow is my favourite horror. There's bound to be other film music there too.