Originally Posted by
DakarM
more like it sounds like she can't hear herself so she can't correct the pitch, etc.
it happens a lot more often than people think. we used to have similar problems with choir at church when we sang at events
She more than likely has an in-ear monitor that is run by the on stage mix board, and if they can't hear well they signal the mixer. That shit went on for the whole song. A good mixer (especially one for Beyonce) would fix that shit in .5 seconds.

h: