Washington: The reports that King of Pop Michael Jackson mum authorized a free leak of a track ahead of its release have come under doubt as MJ``s brother has tweeted that she didn``t do it.
The track, called `Opis None` from the library of the Michael Jackson Secret Vault was posted along with a statement from Katherine Jackson`s business partner, Howard Mann.
However, Jackie Jackson has denied the claims that Katherine authenticated the leak of the song.
"I just spoke with my Mother and she did not authorize the release of the demo track called Opis None," a website quoted him as writing in Twitter.
And Taj Jackson, Tito`s son, also tweeted, "Just talked to my grandma. She didn`t even know about the `song,` nor did she authorize it. We are getting to the bottom of this."
Music label Sony is slated to release `Michael`, the long-awaited Jackson album on December 14.