Lorenz - yeah, someone of your "beloved Czech (not check, sorry
neigbours" indeed mentioned it. And sure, Brno is ready to party (hopefully, haha, there's never been such a huge event as a Stones concert
There are said to be 50 000 tickets on sale indeed. To answer the other questions, the sale starts on December 12th. And the price should be 999 CZK for the field and 2495 near the stage (I'm only quoting newspapers).