Virtually anyone who watched the presidential inauguration Monday agreed: singer Beyonce’s performance of the national anthem was chilling. As good as it was, however, it’s now controversial. Multiple reports today suggest that she wasn’t actually singing the national anthem, but lip syncing as the U.S. Marine Band’s music played. Interestingly, it appears the Marine band itself has confirmed the lip syncing. From Washingtonian’s blog: “We don’t know why Beyoncé decided to use prerecorded music,” a spokesperson for the Marine Corps Band told us this morning. “All music [for inaugural ceremonies] is prerecorded as a matter of course, and that’s something…