The struggle to eradicate apartheid in South Africa has been chronicled over time, but no one has addressed the vital role music plays in this challenge. This documentary by Lee Hirsch recounts a fascinating and little-known part of South Africa's political history through archival footage, interviews and, of course, several mesmerizing musical performances.

South Africa, July 11th, 1963. Several members of the African National Congress, an organization declared illegal, are arrested in Rivonia, a country house near Johannesburg. The detainees, along with Nelson Mandela, imprisoned since 1962, are charged with serious crimes for their radical activism against the apartheid regime.