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
Shooting Balloons with Wicked "Lasers"
Helene Fischer Atemlos Durch Die Nacht (Breathless Through The Night) - Echo 2014 performance
"I'm so fancy" ~ Iggy Azalea peacock spider
Sia “Chandelier” video stars Dance Moms’ Maddie Ziegler, and it’s great.