Keith Jarrett, Gary Peacock, and Jack DeJohnette will play at UCLA Royce Hall in Los Angeles on September 28, 2013. I don’t have any information regarding ticket sales dates yet.
Update (May 2, 2013). 2013-14 CAP UCLA Subscriptions are now available. “Individual Tickets go on sale Thursday, July 11, after Subscribers and Members have been seated. Priority Presale will be available to subscribers and donors from Monday, July 7 to Wednesday, July 10.”