Rheinsberg Music Academy
... that the Rheinsberg Music Academy, based at Schloss Rheinsberg, offered master classes by opera singer Waltraud Meier and stage director Harry Kupfer in 2019?
... that the <b id="mwATw"><a href="./Rheinsberg_Music_Academy" id="mwAT0" rel="mw:WikiLink" title="Rheinsberg Music Academy">Rheinsberg Music Academy</a></b>, based at <a href="./Rheinsberg_Palace" id="mwAT4" rel="mw:WikiLink" title="Rheinsberg Palace">Schloss Rheinsberg</a>, offered master classes by opera singer <a href="./Waltraud_Meier" id="mwAT8" rel="mw:WikiLink" title="Waltraud Meier">Waltraud Meier</a> and stage director <a href="./Harry_Kupfer" id="mwAUA" rel="mw:WikiLink" title="Harry Kupfer">Harry Kupfer</a> in 2019?