The mahna mahna song from the muppet show. (two pink..er..things singing and every now and then a green..er..thing pops up and does the mahna mahna bit. You'll probably recognise/remember it when you watch it!)
(i'm not mental..Honest! )
http://rapidshare.de/files/9733903/mahnamahna_amr_.3gp
http://rapidshare.de/files/9733950/mahnamahna.3gp
ENJOY!!