Welcome to the Message Forum! You can write here messages, questions, comments etc. on Karita Mattila. I will try to find answers as soon as possible.
Please see the following link for the dates of Strauss' Ariadne auf Naxos with Karita as Primadonna (Ariadne) at l'Opéra National de Paris (Bastille) during the season 2014-2015: http://www.operadeparis.fr/en/saison-2014-2015/opera/ariane-naxos-strauss?genre=1
Thank you again for the information!