claim: Fred Seibert has a career as a jazz record audio engineer.
evidence: Chief Mporokoso -LRB- also spelled ` Mpolokoso ' and ` Mumpolokoso ' -RRB- is a senior chieftainship of the Bemba people of Zambia , and a subordinate chief of Paramount Chief Chitimukulu .. Bemba people. Bemba people. Zambia. Zambia. Chitimukulu. Chitimukulu. Mporokoso. Mporokoso. The chief 's palace is located in the Northern Province town of Mporokoso named after the chieftainship .. Northern Province. Northern Province, Zambia. Mporokoso. Mporokoso