Overtone is a group of six young performers ranging from ages 23-29. They are a vocal band, this means that all their music is recorded and performed live without the use of instruments. Performing in their own productions, music festivals, private functions and many corporate events their shows not only appeal to the eye but also to the ear. Their recent success includes doing 9 songs for the Academy nominated movie directed by Clint Eastwood called Invictus Read more on Last.fm