Please answer the following question: Information:  - Joseph Shabalala (born 28 August 1941), born Bhekizizwe Joseph Siphatimandla Mxoveni Mshengu Bigboy Shabalala, is the founder and musical director of the South African choral group Ladysmith Black Mambazo.  - Paul Frederic Simon (born October 13, 1941) is an American musician, singer-songwriter and actor. Simon's fame, influence, and commercial success began as part of the duo Simon & Garfunkel, formed in 1964 with musical partner Art Garfunkel. Simon wrote nearly all of the pair's songs, including three that reached No. 1 on the U.S. singles charts: "The Sound of Silence", "Mrs. Robinson", and "Bridge over Troubled Water".  - Ladysmith Black Mambazo is a South African male choral group that sings in the vocal styles of isicathamiya and mbube. They rose to worldwide prominence as a result of singing with Paul Simon on his 1986 album "Graceland", and have won multiple awards, including four Grammy Awards. They were formed by Joseph Shabalala in 1960 and later became one of South Africa's most prolific recording artists, with their releases receiving gold and platinum disc honors. The group has now become a mobile academy, teaching people about South Africa and its culture.  - Msizi Innocent Shabalala is a member of Ladysmith Black Mambazo , a South African choral group founded in 1960 ( and still led ) by his father Joseph Shabalala . Msizi was born in Ladysmith ( eMnambithi district ) to Joseph and his late wife Nellie Shabalala . In 1976 , Joseph brought together his six sons to form Mshengu White Mambazo , Ladysmith 's ' junior choir ' , in which Msizi was a tenor voice . After the murder of his uncle Headman Shabalala in December 1991 and the retirement of several other members ( Inos Phungula , Geophrey Mdletshe and Ben Shabalala ) , Joseph later recruited Msizi and his brothers Sibongiseni , Thamsanqa and Thulani . Msizi is a tenor voice alongside Albert Mazibuko , and joined the group in 1993 . However , he did not tour internationally with the group until 1998 ; between the years , Inos Phungula -- a former member of the group -- filled Msizi 's place .  - South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded on the south by of coastline of Southern Africa stretching along the South Atlantic and Indian Oceans, on the north by the neighbouring countries of Namibia, Botswana and Zimbabwe, and on the east and northeast by Mozambique and Swaziland, and surrounding the kingdom of Lesotho. South Africa is the 25th-largest country in the world by land area, and with close to 56 million people, is the world's 24th-most populous nation. It is the southernmost country on the mainland of the Old World or the Eastern Hemisphere. It is the only country that borders both the Atlantic Ocean and the Indian Ocean. About 80 percent of South Africans are of Sub-Saharan African ancestry, divided among a variety of ethnic groups speaking different Bantu languages, nine of which have official status. The remaining population consists of Africa's largest communities of European (white), Asian (Indian), and multiracial (coloured) ancestry.  - A Grammy Award (originally called Gramophone Award), or Grammy, is an honor awarded by The Recording Academy to recognize outstanding achievement in the mainly English-language music industry. The annual presentation ceremony features performances by prominent artists, and the presentation of those awards that have a more popular interest. It shares recognition of the music industry as that of the other performance awards such as the Emmy Awards (television), the Tony Awards (stage performance), and the Academy Awards (motion pictures).    What entity does 'msizi shabalala' has the relation 'occupation' with?
Answer:
singer