In the following years Walter 's conducting reputation soared as he was invited to conduct across Europe - in Prague , in London where in 1910 he conducted Tristan und Isolde and Ethel Smyth 's The Wreckers at Covent Garden , and in Rome .
He performed in Prague and in London where in 1910 he conducted Tristan und Isolde and Ethel Smyth 's The Wreckers at Covent Garden .