Morgenspaziergang by Kraftwerk (off the Autobahn album) - I dare you to find enough melody to dance to.
Let me put it this way: One of the sounds is a high-vacuum laboratory pump. Fair enough?
Don
PS: They have a video of a 'song' called "Die Roboter" (The roboticists) on their site
http://www.kraftwerk.com, that'll give you an idea.