This is a direct quote from Martina McBride’s official website; http://www.martinamcbride.com. Go to the Interactive Section, click on Bulletin Board and look in the “Latest News” thread.
“Here is what is coming up in the near future: Thursday the 26th of August Martina is going to Chicago to sing with Jimmy Buffett – the record company is releasing “Trip Around The Sun” as a single and CMT will be in Chicago to cover the show.”