Is Richard Wagner a genius or a monster Is his music a remedy or a poison As the opera world celebrates his 200th birthday, Wagners legacy remains the source of fiery debate. To mark his bicentenary, the KT Wong Foundation takes you to an exciting tour of the man and his music, in the company of those who know Wagner best singers, conductors, directors, composers. Waltraud Meier is one of the great Wagnerian singers of the age, prized almost as much for the intensity of her acting as the supremacy of her mezzosoprano voice.