Tickets are through Ticketmaster. The presale is 6/28 at 10am PDT, to general public on Saturday.
http://www.dispatch.com/content/stories/life_and_entertainment/2012/06/28/rocky-mountain-way-rocker-returns-to-his-ohio-roots.html
http://www.dispatch.com/content/stories/life_and_entertainment/2012/06/28/rocky-mountain-way-rocker-returns-to-his-ohio-roots.html