http://www.sennheisersoundtour.com/facebook

Could the teams pull off getting 11 people to becoming human Sennheiser billboards? From Washington to Philly to Phoenix and Albuquerque, the GIRLS and GUYS did their best to take the Signs Challenge. Watch and find out and make sure you go to:

http://www.sennheisersoundtour.com/facebook

There, you will find the TRUTH. Shhhhhhhhhhhhhhh...