South African anti-apartheid activist, composer, and jazz trombonist Jonas Gwangwa has died aged 83, NPR reports. “A giant of our revolutionary cultural movement and our democratic creative industries has been called to rest” - South African President Cyril Ramaphosa said confirming the news. Gwangwa's death comes three years to the day after the passing of Hugh Masekela and exactly two after the death of Zimbabwean great Oliver Mtukudzi.