That movement, which in the United States started at universities in the 1970s, led to hundreds of colleges and many state governments excising South African investments from their portfolios.
Tenor saxophonist Sonny Rollins heard the new sound, propelled by bassist Charlie Haden and drummer Ed Blackwell, and went back to the woodshed to retool his music, excising the piano and guitar and featuring the work of trumpeter Don Cherry, Ornette's perennial sidekick.