Overtone is an a cappella/vocal band that made its debut in 2006 and originates from Johannesburg, South Africa. Overtone is best known for their vocal renditions of pop music and diverse repertoire. In 2009 they were discovered by Dina Eastwood, wife of actor/director Clint Eastwood while in South Africa shooting his film Invictus. Shortly thereafter they were asked to do the majority of the movie sound track. Overtone has featured as the opening act on the west leg of Corinne Bailey Rae?s The...
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