Over a thousand people attend a Johnny Clegg memorial event in Johannesburg, where artists and dignitaries sang and praised Clegg's pivotal role not only in Africa, but the world. Johnny Clegg was described as a national treasure who crossed cultural and racial lines, and unified all people with his blend of Zulu rhythms and Western music. IMAGES of the event AND SOUNDBITES of Clegg's son Jesse, the South African Arts and Culture Minister and a South African Journalist