Not nearly as toecurling as it could have been - bravo/a/i for trying.
That was perhaps the most experimental selection in the stream of greatest operatic hits at Anna and Erwin's blockbuster Waldbühne concert on Tuesday evening. Jonas Kaufmann joined them, and the entire highly-priced extravaganza was broadcast on the German channel ZDF.
You can watch the whole thing on ZDF's website (not all countries), or enjoy a few choice excerpts below.
Mortgage the garden shed and perhaps you too could catch them live in the Royal Albert Hall next year.