Playbill.com's most popular videos of 2011 feature some of Broadway's most talented performers, behind-the-scenes moments, and a hilarious spoof on an MTV show that landed on Time Magazine's best videos of 2011. With over 300 videos created in the past year, there were a lot of options vying for the position of most-viewed. For a look back at 2010's most-viewed videos, click here.