I am not entirely certain whether this is cool or a travesty:

Click to view

Yeah, don't give up your day-job. (Top marks for effort, though):

Click to view

Why did I not realise at the time that most of the music in Doom and Doom 2 was based on metal records?

Oh, that's right: Because I didn't know most of the records back then. :-)
Still, very cool in hindsight.

http://www.doomworld.com/linguica/doomcovers/