Ursula Zollenkopf
... that Ursula Zollenkopf, a contralto of the NWDR Chor, performed solo and choral parts in a posthumous Schoenberg opera premiere and in an Easter cantata by Bach?
... that <b id="mwAqA"><a href="./Ursula_Zollenkopf" id="mwAqE" rel="mw:WikiLink" title="Ursula Zollenkopf">Ursula Zollenkopf</a></b>, a <a href="./Contralto" id="mwAqI" rel="mw:WikiLink" title="Contralto">contralto</a> of the <a href="./NDR_Chor" id="mwAqM" rel="mw:WikiLink" title="NDR Chor">NWDR Chor</a>, performed solo and choral parts in a posthumous <a href="./Moses_und_Aron" id="mwAqQ" rel="mw:WikiLink" title="Moses und Aron">Schoenberg opera premiere</a> and in <a href="./Erfreut_euch,_ihr_Herzen,_BWV_66" id="mwAqU" rel="mw:WikiLink" title="Erfreut euch, ihr Herzen, BWV 66">an Easter cantata by Bach</a>?