Information for Broadcast - NT Live: The Importance of Being Earnest at The Holroyd Community Theatre, Oswestry (Streamed/Broadcast). Broadcasts directly from the National Theatre, Royal Opera House and other famous theatres around the world onto a big screen. Broadcasts may be of live performances or "Encore" screenings of previous famous productions recorded "as live". <hr> For some screenings from live venues, check ticket link for actual performance.