City of Johannesburg website reports on the development of a Vuvu Carnival Orchestra in preparation for the 2010 World Cup. The idea was developed by Pedro Espi-Sanchis, a Spaniard who migrated to South Africa in 1971. The instrument is a plastic trumpet used in soccer matches.
Pedro describes the orchestra as the musical embodiment of Ubuntu:
This means that no one will play louder than others, and no one will play the same rhythm. What people play will interlock with others and complement what others offer.