Final answer:
Ladysmith Black Mambazo rose to global attention in 1986 for their work on Paul Simon's Grammy-winning album 'Graceland,' which blended American pop with South African musical influences.
Step-by-step explanation:
South Africa's renowned choral group Ladysmith Black Mambazo gained worldwide fame with their contribution to Paul Simon's critically acclaimed 1986 album Graceland. This album won the Grammy Award and is known for its unique blend of American and South African musical styles, defying the cultural boycott of South Africa during the apartheid era.
Ladysmith Black Mambazo's distinct Zulu harmonies played a significant role in the album's success, helping to bring South African music to an international audience.