ECM Records is now listing a trio concert with Gary Peacock and Jack DeJohnette at the Sejong Center in Seoul on May 19, 2013. Tickets might become available via ticketpark.com at some point, but I don’t have more details about tickets at this moment.
Thanks to Jacques and Jesse for the information.
Update (March 12, 2013). Tickets are available from interpark.com. Thanks to Jun for the information.