by Claudine Zap Barack Obama wasn't the only celebrity to grace an infield on opening day . Singer-songwriter Neil Diamond also wowed a crowd at Fenway Park . Here's the story, and the video: The Red Sox , who have been doing a fine job of shaking off the " Curse of the Bambino ," have die-hard fans to boot. According to Entertainment Weekly , their anthem is (not for any obvious reason) the Neil Diamond hit " Sweet Caroline .