Postmodern Jukebox has talent, and a knack for creative re-working of songs into versions often far better than the original. Improving a Justin Beiber song to the point it is likable is an enormous undertaking, but they've done that successfully. Here, they've reworked Timber -a Pitbull / Ke$ha song, into a cool, 1950s Doo Wop tune.
It's amazing how different the same song can sound when produced, arranged and played with a different vision.
Here's the original for comparison purposes only: