Biffy Clyro promise ‘unsubtle’ set at Sonisphere

Scottish rockers, You Me At Six and Weezer set to play Knebworth event today (July 9)

Frank Carter to quit Gallows

Watford punks to recruit new singer as Carter reveals solo plans

Metallica joined onstage by Anthrax, Slayer, Megadeth, Diamond Head at Sonisphere

The Big Four all come onstage to help the headliners out

Slayer bring ‘the love’ to Sonisphere

Thrash legends make crowd get 'all emotional' during Knebworth set

Metallica, Slayer, Anthrax, Megadeth for Sonisphere festival

'The Big 4' are set to descend on Sonisphere today (July 8)

Sonisphere weather forecast latest – clear skies predicted for weekend

Heavy rock festival still set for some rain on Friday (July 8)

Corey Taylor: ‘Silence for Paul Gray will be louder than Slipknot’s Sonisphere set’

Singer promises 'old school Slipknot show' for Sunday (July 10)

Metallica give Sonisphere headline set hints? – video

Thrash titans kick off their European tour in Germany and Sweden

Stage times revealed for Sonisphere Festival

Spy Catcher, Feed The Rhino, Mad Dog also added to the bill