Just to clear up any confusion, the information on the right side of the blog is from a widget by Songkick, and I don’t control the information there. I assume those dates are generated by what the first day of a festival is and the date will appear to be incorrect if M&S don’t play on that day.
If you look at the top of M&S Blog, you will see a link to “Upcoming Concerts,” and that is where you will find the correct concert dates that I personally added. If you happen to find a mistake there, please let me know. In this particular case, I do have Optimus Alive listed correctly on the 14th.
Thanks again for your help. :)