Intermezzo learns that Karita Mattila has abandoned the role of Tosca permanently for artistic reasons.
Recent performances in New York and Munich suggested the part wasn't a great match for her talents, so this sounds to me like a courageous and sensible decision, the sort that more singers should have the guts to make.
The news means that she's dropping out of the Royal Opera House's production next June, to be replaced by Martina Serafin (who was scheduled to sing two performances anyway).
Ms Mattila stated, “I very much regret cancelling performances with The Royal Opera and Maestro Pappano, and disappointing audiences at Covent Garden, but this is an artistic decision that is right for me. I look forward to performing with The Royal Opera in the future.”
She will of course be back in London next month to sing Strauss's Vier letzte Lieder with the Berlin Philharmonic at the Proms, followed by a rare Wigmore Hall recital.
Here she is singing Tosca in Munich last month: