Metallica have been confirmed as headliners for a brand new UK festival.
Sonisphere will take place on 1 and 2 August at Hertfordshire's historic Knebworth Park.
American band Linkin Park are also set appear with more acts set to be confirmed shortly.
Metallica's Lars Ulrich said: "We're stoked to be touring England and Europe with Sonisphere - we can't wait to see all of our fans over there."
Travelling festival
The touring festival will also visit countries across Europe including Holland, Sweden and Finland before concluding in the UK.
The new festival is the brainchild of the creators of the Monsters Of Rock and Download festivals.
Historically the Knebworth site has played host to concerts by Led Zeppelin, Oasis and Robbie Williams.
Linkin Park will headline on 1 August with Metallica concluding the festival on Sunday 2 August.
Tickets go on sale on 11 February.
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