(24 September 1957 â 28 January 2021) â The songbird sings no more From the streets of Soweto to the world stage, legendary musician Sibongile Khumalo knew just how to hit the right notes with her melodious voice and powerful lyrical content. With a career spanning over three decades, the world-renowned jazz and opera vocalist inspired many artists in the classical, jazz, gospel and opera genres. She shared her gift of song at the inauguration of South Africaâs first black democratically elected President, Nelson Mandela in 1994. MaâMngoma as she was affectionately known, also showcased her world class talent to  the world  at the final Rugby World Cup match in 1995.