Maria Callas exhibition at the Royal Opera House

There’s a small but interesting exhibition in the Royal Opera House looking back at the career of the soprano Maria Callas in this year, the centenary of her birth.
As a display, it’s mainly a mix of photographs from her performances in London and a few adverts. There’s also some commentary from reviews at the time. I think it’s fair to say that this isn’t an exhibition to tell you who Maria Callas, more a small celebration of her for people who already know who she