Slipknot on stage at one of the earlier Sonisphere concerts in Europe. They will headline at UK leg at Knebworth on the Sunday night [Picture: Levent Kulu]

METAL fans not at Knebworth can watch Slipknot’s Sonisphere 2011 headline set streamed live on the web.

The UK leg of the international touring festival is being transmitted live across the web today (Sunday) for the first time ever.

Wherever you are in the world, you can tune in for free and catch Slipknot‘s historic headline set tonight, from 9pm, as well as a bunch of other massive full sets from the Apollo and Saturn Stages.

Go to Sonisphere’s website for more details.