Beyonce's rendition of the star spangled banner stole the show at yesterday's inaugaration but reports say that was because it was lip-synched.
The Times is reporting this morning that the flawless performace by the R n B superstar was taped before the public swearing-in of US President Barack Obama.
It quotes a spokeswoman for the Marine Corp Band as saying that it is common practice for all performers to sing over a backing track.
"We did pre-record it and it was Beyoncé’s decision at the last minute to go with the pre-recorded version," said a spokeswoman for the band.
"We pre-recorded all music as a matter of course and have done since time immemorial," she said.
"This is our 54th inauguration… There is no question of there not being any music - it’s not because the performer cannot do it."
Yo Yo Ma pre-recorded his cello performance in 2008 because the cold weather and wind may have affected the acoustics of his instrument.
Vocal performers, however, typically do perform live despite January’s icy conditions.