To what extent does Wagner’s anti-semitism impinge on his music dramas?

Nobody denies that Wagner was an anti-semite. But was his anti-semitism expressed in the works themselves? The issue has been much debated over the past two decades, but has resurfaced once again recently, not least with the new production by Richard Jones of Die Meistersinger von Nürnberg for Welsh National Opera, performed also at the BBC Proms.

The Wagner Journal asked Barry Emslie, author