Demis Maryannakis / Splash News Online
04/23/2009 at 08:50 AM EDT
good-naturedly shrugged off the alleged soundboard recording of her shrieking her way through "If I Were A Boy" from a November 2008 Today
The fake tape first surfaced on The Howard Stern Show
Wednesday and has since been dismissed as "a complete prank," Matt Lauer told Knowles on Thursday morning's Today
"I haven't heard this, but I do know whoever did this did it as a joke," the singer, 27, told Lauer, who described the recording as a combination of "dogs barking and fingernails on a chalkboard."
She added, "I heard it's a little over the top."
What amazed her, said the Cadillac Records
star, was that such a recording could go from someone's home – where the tape was created – to the nation's airwaves.