St. Martin, Idstein
... that two conductors shared performances of Verdi's Messa da Requiem in St. Martin, Idstein?
... that two <a class="mw-redirect" href="./Conductor_(music)" id="mwCLc" rel="mw:WikiLink" title="Conductor (music)">conductors</a> shared performances of <a href="./Giuseppe_Verdi" id="mwCLg" rel="mw:WikiLink" title="Giuseppe Verdi">Verdi</a>'s <i id="mwCLk"><a href="./Requiem_(Verdi)" id="mwCLo" rel="mw:WikiLink" title="Requiem (Verdi)">Messa da Requiem</a></i> in <b id="mwCLs"><a href="./St._Martin,_Idstein" id="mwCLw" rel="mw:WikiLink" title="St. Martin, Idstein">St. Martin, Idstein</a></b>?