It's no surprise that the Super Bowl generated no shortage of Tweets during what turned out to be the most-watched television event ever.

But what is surprising is what Twitter users talked about. According to information revealed on its blog, Twitter says the top five Super Bowl Tweet subjects were focused on the music acts either performing or appearing in commercials, rather than the players in the game.

The Super Bowl set a new Twitter record, with more than 4,000 Tweets sent per second during the final moments of the game. The most-Tweeted about person was Usher, with his surprise appearance during the Black Eyed Peas halftime performance. According to Twitter, the sudden appearance created the second largest peak in Tweets during the game and made him the overall most talked-about person of the night.

Next popular were the Black Eyed Peas, with fans debating the pros and cons of the performance. They were followed by Slash, who also had a surprise appearance during the halftime show. Eminem ranked fourth through discussions about his two Super Bowl ad appearances. And finally Christina Aguilera, whose botched performance of the national anthem continues to spark controversy throughout the web.

Meanwhile Green Bay Packers quarterback Aaron Rogers, who led his team to an exciting Super Bowl victory and who earned the Super Bowl MVP title, was only the sixth-most discussed person of the game.