Meet A Great Big World, the New York Duo Behind 'Say Something'

After Christina Aguilera's people called to say she wanted to collaborate with them Ian Axel and Chad Vaccarino laughed screamed and told each other repeatedly to shut up Then they calmed down and agreed that the pop diva was likely to sing a verse Xtina-style at the end of their...

by via RollingStone.com: Music News