I have one that's been going on for years, it's a disco song that my friends and I swear ought to be Abba but we can never find it... I think it's in d minor and all I know is that the intro is just a bunch of arpeggios up and down.

Doodly-doo doodly-dooooo
Doodly-doo doodly doodeedoodeedoooo
Doodly-doo doodly-dooooo
Doodly-doo doodly-dooooo

Anyone?