Slipknot have announced plans to hold a special tribute in remembrance of their late bassist Paul Gray at Sonisphere on July 10.
The band - who will headline the Apollo Arena stage that night - have asked festival goers to pay their respects to Gray with a two minute silence across the whole festival site, beginning at 2pm.
Gray died of an accidental drug overdose on May 24, 2010.
For full festival details, visit this location.
Be sure to check out our story of Slipknot's emotional live return at Sonisphere Greece in new issue of Kerrang!, out Wednesday.