Career
He first gained significance playing trombone with The Jazz Epistles. After the group broke up he continued to be important to the South African music scene and then later abroad. In the 1960s he began to gain notice in the United States and in 1965 he was featured in a "Sound Of Africa" concert at Carnegie Hall.
The others at the concert included Miriam Makeba, Hugh Masekela, and Letta Mbulu.
Despite that he was not seen favorably by the apartheid government so left his homeland in the early 1970s. Also in 1988 he performed at the Nelson Mandela 70th Birthday Tribute in Wembley Stadium.
In 1991 he returned to South Africa and in 1997 he composed the theme for their Olympic bid. He is the subject of a thesis entitled Music as a Cultural Weapon in the Life of Jonas Gwangwa (University of the Witwatersrand, 2004), written by Colette Szymczak.
Gwanga is paid tribute as the subject of the composition "Portrait of Mosa Gwangwa" by Johnny Dyani, which appeared on the Civil Defense reissue of Dyani"s Angolian Cry.
