NDR Chor
... that the NDR Chor performed in Beethoven's Ninth Symphony for the opening of the Elbphilharmonie?
... that the <b id="mwYw"><a href="./NDR_Chor" id="mwZA" rel="mw:WikiLink" title="NDR Chor">NDR Chor</a></b> performed in Beethoven's <a href="./Symphony_No._9_(Beethoven)" id="mwZQ" rel="mw:WikiLink" title="Symphony No. 9 (Beethoven)">Ninth Symphony</a> for the opening of the <a href="./Elbphilharmonie" id="mwZg" rel="mw:WikiLink" title="Elbphilharmonie">Elbphilharmonie</a>?