its an oldie someone help plss

ok so the new song by pharrell and kanye is buggin the hell out of me because i cant figure out what the hell the original song was..

so go listen to: pharrell feat kanye west - number one
the beat and parts of the chorus are taken from a much older song and now i must have both the new and the old.. thanks for ur help

YouTube - Pharrell - Number One (Feat Kanye West)
link to the music video

side note.. am i the only one who loves hearing new music with an old school beat? i love the quest to find the original song from waaaay back.. and i can usually figure it out, but this one, i just cant put my finger on.. thanks again

bump.. anybody???

bump for oldies

Somebody told me it was a Cameo song. I'm a huge Cameo fan, but I don't hear it.

The music is The Jacksons "Blame it on the Boogie".