Not too long ago Foster The People were musical guests on The Tonight Show!
What you didn't see on TV was the band members playing "Game Of Hums" backstage!
How does said game work?
Well, the the band members had to hum classic songs in different styles to see if the other members could guess which songs they were humming!
So how well do the members really know each other, and which ones are the best guessers?
Check out the video below: