Sung in original ancient Greek. Power(Kratos) - Josef Greindl, Hephaestus(Hephaistos) - Heinz Cramer, Prometheus - Roland Hermann, Oceanus(Okeanos) - Kieth Engen; Choir of the Oceanides: Choirleaders - Edda Moser, Sophia van Sante, Raili Kostia; Io - Colette Lorand, Hermes - Fritz Uhl. Frauenchor des Westdeutschen Rundfunks. Herbert Schernus - Chorus master. 1972.