Through the guidance of her father, professor of music Khabi Mngoma, Khumalo began her musical journey at the age of eight under Emily Motsieloa. She has since matured and refined the art which first endeared her to her hometown Soweto supporters many years ago.

She holds music degrees from the University of Zululand (B.A. Mus.) and Wits University (B.A. Hons), as well as a Higher Diploma in Personnel Management (Wits). She has taught and researched music at the University of Zululand, FUBA Academy and at the Madimba Institute of African Music (based at the Funda Centre). Also acting in musicals: Marabi, Baby Come Duze, Once on this Island, and Goree (which toured Europe and the U.S.A.).

Ranking high on her list of 1996 music highlights is Khumalo's debut album, Ancient Evenings - a magical journey through the rich tapestry of South African music culture; her critically acclaimed operatic debut as Carmen (Bizet) in Durban; CD and television recordings of Mzilikazi Khumalo's uShaka ka Senzangakhona; performing at the Two Nations Celebrate concert honouring President Mandela (Royal Albert Hall, London); the SAA/Sibongile Khumalo national tour. During April 1997, Sibongile was the mezzo-soprano soloist in the Verdi Requiem under the baton of Sir David Willcocks, during the South African tour of the London Bach Choir.

Through her music, Sibongile Khumalo shares the spice, wisdom, and wealth of experience inherited from her family and community.