Audio CD's of Wagner's Twilight of the Gods featuring James Levine; Metropolitan Opera Orchestra and Chorus; Andrea Gruber; Bernd Weikl; Cheryl Studer; Diane Kesling; Ekkehard Wlaschiha; Hanna Schwarz; Hei-Kyung Hong; Helga Dernesch; Hildegard Behrens; Matti Salminen; Meredith Parsons; Reiner Goldberg and Tatiana Troyanos.