Naturally 7 and David Lee Roth Gettin’ “Happy” Backstage in Tokyo (Video)

David Lee Roth attended Naturally 7‘s performance which took place Sunday night in Tokyo. He visited them backstage, and it looks like they have some fun! Watch them sing “Happy” in the video above.

Below is Naturally 7′s performance on the Arsenio Hall Show from April 4th, 2014. They blew everyone away with their powerful, a cappella performance of “Keep the Customer Satisfied.”