Watch Bombuj. The prologue to Wagner's giant masterpiece Der Ring des Nibelungen unfolds the beginning of an epic journey when Alberich seizes the ring of gold, its awesome power unleashing an unstoppable story of deceit, destruction, death and transfiguring love. Filmed at Barcelona's Gran Teatre del Liceu in 2004, Harry Kupfer's stunning production first staged in Berlin, and recorded in sumptuous surround sound, numbers among the greatest productions of modern times.