Ernesto de Quesada
...that the impresario Ernesto de Quesada invented an imaginary partner when he founded a classical music management agency in Berlin?
...that the impresario <b id="mwDGs"><a href="./Ernesto_de_Quesada" id="mwDGw" rel="mw:WikiLink" title="Ernesto de Quesada">Ernesto de Quesada</a></b> invented an imaginary partner when he founded a classical music management agency in Berlin?