Opus Metaphysicum: an empty phrase? In ‘Richard Wagner in Bayreuth’, Nietzsche described Tristan und Isolde as an “opus metaphysicum”. Dr Fend of King’s College, London asks, ‘Do philosophical concepts still offer any context to listen to, and think about Wagner’s operas today? Michael Fend studied Musicology (with Carl Dahlhaus), German Literature and Philosophy at the… Continue reading Opus Metaphysicum: an empty phrase?