There was an era of pop. Then there was an era of hip-hop. There was a time that K-Pop dominated the music industry. There was an EDM era. The period of the surprise album and an animation soundtrack, even.
On the evening of the 2015 Grammys, Kristen Wiig added to the list of celebrities who have now performed Sia's Chandelier in Maddie Ziegler's distinct style.