A high-fidelity, pure audio specification of Wagner's masterpiece, performed by the Berlin Philharmonic conducted by Karajan. - Title: Wagner: Der Ring des Nibelungen - Performer: Berliner Philharmoniker - Conductor: Herbert von Karajan - Language: German and English - Format: Blu-ray Audio Disc - Special Features: Limited Edition - Contents: Das Rheingold, Die Walküre, Siegfried, Götterdämmerung Thank you for viewing.