Singer Neil Diamond performs, Thursday, Aug. 18, 2005, at Madison Square Garden in New York during his world tour. Diamond will perform in concert this summer at Fenway Park. The singer made the announcement in a big-screen broadcast at the Boston Red Sox home opener Tuesday, April 8, 2008 during the traditional eighth-inning sing-along of his "Sweet Caroline," which has become an anthem for Boston fans. (AP Photo/Kathy Willens)