Overtone is an a cappella/vocal band that made its debut in 2006 and originates from Johannesburg, South Africa, best known for their performance on the Invictus soundtrack and their connection with Clint and Dina Eastwood.
Overtone is an a cappella/vocal band that made its debut in 2006 and originates from Johannesburg, South Africa, best known for their performance on the Invictus soundtrack and their connection with Clint and Dina Eastwood. (en)