David Hermann
... that David Hermann staged a Mozart opera at the Salzburg Festival at age 29, and combined three Krenek operas in Frankfurt?
... that <b id="mwCII"><a href="./David_Hermann" id="mwCIM" rel="mw:WikiLink" title="David Hermann">David Hermann</a></b> staged <a href="./Ascanio_in_Alba" id="mwCIQ" rel="mw:WikiLink" title="Ascanio in Alba">a Mozart opera</a> at the <a href="./Salzburg_Festival" id="mwCIU" rel="mw:WikiLink" title="Salzburg Festival">Salzburg Festival</a> at age 29, and combined <a href="./Der_Diktator" id="mwCIY" rel="mw:WikiLink" title="Der Diktator">three Krenek operas</a> in <a class="mw-redirect" href="./Opern-_und_Schauspielhaus_Frankfurt" id="mwCIc" rel="mw:WikiLink" title="Opern- und Schauspielhaus Frankfurt">Frankfurt</a>?