The atmosphere in the concert hall was charged—having two top artists from two different ends of the earth was as unprecedented as it was delightful.

When they finished their duet, Tanya took Quinn's hand as they walked together center stage and bowed to the crowd.

Smiling, she said, "Now, I'm leaving you with Quinn—do enjoy her charming songs."

With that, she gave Quinn a quick hug, and walked to the elevator which brought her below stage, while the dozens of thousands of fans applauded.

Wh