<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Umbhali weJazz kanye nesishoshovu samalungelo abantu uNat Hentoff wayengumqondisi we-label A R.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Umbhali we-Jazz nesishoshovu samalungelo abantu uNat Hentoff wayengumqondisi we-labels AR futhi, wazama ukudala ikhathalogi eyayimelela i-jazz yosuku. 