There's nothing wrong with being the third wheel...
Because that's exactly what happened:
[Image via CBS.]
We're so smiley silly, you guys—and it's all thanks to this super talented group!
The AH-Mazing voices that won Season 3 of NBC’s The Sing Off (including Scott Hoying, Kirstie Maldonado, Mitch Grassi, Avi Kaplan, and beat-boxer Kevin "K.O." Olusola) are back to dazzle us with impeccable vocal stylings in their arrangement of this 2014 crowd fav!