From www.paulmccartney.com:
We are pleased and thrilled to announce today that our city will welcome Sir Paul McCartney live in concert on the Halifax Commons, Saturday, July 11, 2009. With sales of over 100 million, Paul is listed by the Guinness World Records as the most successful musician and composer in popular music history. This iconic and legendary performer’s presence in our city will be an historic event for all Atlantic Canadians” said Mr. MacKay.
Plenty of local coverage on this one: