It's by Fleetwood Mac:
It's funny to watch Paul Rudd dance to this song in the 12-7-2013 episode.
Too bad that's not on YouTube,
Stashed in: Music Videos!, SNL
Linkin Park - In The End | Ten Second Songs 20 Style Cover
Street Fighter 2 - Guile's Theme A Cappella
Jim Carrey Vanilla Ice and Snow Informer
A tub full of puppies !!!