Apple Corps Ltd. ; a WingNut Films production ; directed by Peter Jackson ; producers, Paul McCartney, Ringo Starr, Yoko Ono Lennon, Olivia Harrison ; produced by Clare Olssen, Peter Jackson, Jonathan Clyde
music, Richard Wagner ; libretto, Richard Wagner ; new production by Teatro Real, Madrid in co-production with the Royal Opera House, Covent Garden and Teatro Colón, Buenos-Aires ; a Teatro Real/Sintonia/Euro Arts production with TVE