 Nyorai kuenderera mberi kweiyi ndima - Mushure mekugara muUS, Rubens akatamira kuSouth Africa muma1950 uye akabatanidzwa mune anti-apartheid kufamba. Paaive achidzidzisa paSouth African College of Music muCape Town, ndiye aive muimbi wekutanga kuramba kuridza kune vateereri vakaparadzaniswa; panguva yeANC Treason Trial 19561961 akaridza makonzati epamusoro kuti awane mari yevanopomerwa veANC; uye imba yake kuNewlands yakava nzvimbo yekusangana nedzimwe nhengo dzemusangano, kusanganisira Nelson Mandela naAlbie Sachs, avo vakayeuka kuti: 