New Zealand born British conductor Ross Pople has worked with what Polish Composer whose best known works include Polish Requiem, Anaklasis and Utrenja?
Ross Pople: Ross Pople (born 11 May 1945) is a New Zealand-born British conductor. Ross Pople:  He has worked with Yehudi Menuhin, Clifford Curzon, David Oistrakh, Kentner, George Malcolm, Sir Adrian Boult, Rudolf Kempe, Benjamin Britten, Witold Lutosławski, Krzysztof Penderecki, Michael Tippett, Georg Solti, Leonard Bernstein, George Benjamin, John Casken, Edwin Roxburgh, Luciano Berio, John Taverner, Malcolm Arnold, Pierre Boulez as well as many other major orchestras, choirs and soloists. Krzysztof Penderecki: Krzysztof Eugeniusz Penderecki ( ; ] ; born 23 November 1933) is a Polish composer and conductor. "
i don't know