Staatsoper unter den Linden: A Siegfried without passion Tcherniakov's direction presents a Siegfried without any romanticism or association to the libretto. But the music speaks a completely different language As in Rheingold and Walküre, in the third part of the Ring we still find ourselves in the E.S.C.H.E. Research Centre. That stands for Experimental Scientific Center for Human Evolution, so it has nothing to do with the eponymous ash tree in the opera. And...