A Great Big World

A Great Big World is an American pop rock musical duo. It is made up of singers and songwriters Ian Axel and Chad Vaccarino. The group is known for their single "This Is The New Year". It was performed by the cast in a Glee episode. The single reached the Billboard Mainstream Top 40 Chart in May 2013. Their international hit "Say Something", is a 2013 duet collaboration with Christina Aguilera.