Please note that she is actually doing a whole weekend of concerts with the Borletti-Buitoni Trust from 17-19 May at the South Bank, not just 18th.
Hope you've had a good bank holiday weekend, dear readers. I spent Saturday night at one of the best opera performances I've ever been to, and I go to quite a lot. More of that soon. For the moment - if you can beg/borrow/filch/pay through the nose for/get a return for/ Don Carlo at the ROH while Anja Harteros is still in it, then do.