I'm looking too but have figured out a few of them. It starts with Bbmaj7 for several measures and then goes to Ebm. On the b part (I can't be the one to...) start out with a Ebmaj7 and then Ebm7. Then there is a mystery chord enroute to a G - then Cm7 hold that chord where it seems you would go to an F and then back to the Bbmaj7.

Who knows the mystery chord?

Also, on the Ohh, ohh, part, I'm pretty sure it goes up to a Bmaj7 and then back down to the Bbmaj7.

Hope that helps.