Here's one for ya.
Back in the 80s there was, still is, a magazine called White Dwarf. Warhammer magazine. It gave away a free plastic record. Yes I said record. With a song on it called "Blood for the Blood God". Well here tis in MP3. Enjoy!
http://www.tirnaog.com/Sabbat-BloodfortheBloodGod-WhiteDwarfFlexiDisc.mp3