 As an opera house, it found it difficult to attract audiences from the Royal Opera House, and from 1914 to 1915 the house became the National Theatre of England.In May 1915 the theatre hosted Vladimir Rosing's "Allied Opera Season".Rosing presented the English premiere of Tchaikovsky's "The Queen of Spades" and introduced Tamaki Miura as Madama Butterfly, the first Japanese singer to be cast in that role.