Keith Jarrett, Gary Peacock, and Jack DeJohnette will play at the Salle Pleyel in Paris on July 1, 2013. Tickets will go on sale to subscribers on March 25 and to the general public on June 1 at 11 AM. Thanks to Jean-François for the information!
Update (March 25, 2013). Tickets are apparently already on sale to the general public.