Ozzy Osbourne is going to do his own one-day open air event, called The Monsters of Rock. The festival will take place on July 26 at the McMahon Stadium in Calgary, Canada.

The Ozzy Osbourne's Monsters of Rock billing is shaping up as follows:

• Ozzy Osbourne
• Judas Priest
• Serj Tankian
• Cavalera Conspiracy
• Shadows Fall
• Voivod
• Testament
• Hatebreed
• The Dillinger Escape Plan
• 3 Inches of Blood
• Priestess
• Zimmers Hole