Not only are our friends at Opera Depot burning up the internet with a one-day sale on their entire collection at 60% off, they’re also offering a free download of 15 different versions of the complete Immolation Scene from Götterdämmerung featuring Astrid Varnay, Kirsten Flagstad, Martha Mödl, Margaret Harshaw, Birgit Nilsson, Amy Shuard, Anja Silja, Nadezda Kniplová, Gladys Kuchta, Ludmila Dvorakova, Helga Dernesch, Rita Hunter, Catarina Ligendza, Berit Lindholm and Gwyneth Jones.