Heinz Hennig
... that Heinz Hennig founded the Knabenchor Hannover in 1950 and conducted the boys' choir until 2001?
... that <b id="mwEFI"><a href="./Heinz_Hennig" id="mwEFM" rel="mw:WikiLink" title="Heinz Hennig">Heinz Hennig</a></b> founded the <a href="./Knabenchor_Hannover" id="mwEFQ" rel="mw:WikiLink" title="Knabenchor Hannover">Knabenchor Hannover</a> in 1950 and conducted the <a href="./Boys'_choir" id="mwEFU" rel="mw:WikiLink" title="Boys' choir">boys' choir</a> until 2001?