Earlier this month, we shared a cover of Metallica's 'Enter Sandman' performed by a group made up of three young sisters who are now aged 16, 13 and 10.
Drummer Bill Ward says it will take a "righting of the wrongs" by Ozzy Osbourne and being presented a signable contract for him to return to Black Sabbath.
Festival attendees will still get their fix of Ozzy Osbourne, as the Prince of Darkness will perform with his solo act, reportedly with some special friends.