Sonisphere Festival headline the Mars Volta confirmed

Sonisphere Festival headline the Mars Volta confirmed to perform in the UK festival in this year on July.

Others acts include Biffy Clyro, Metallica and Slipknot. Killing Joke, Four Year Strong and Opet which held at Knebworth Park on July 8-10.

The Mars Volta have currently finished work on their sixth album, which guitarist and songwriter Omar Rodríguez-López said that the marks the end of an era in the band's songwriting.

He said, "On this record, as with all the others, I wrote the music and then gave it to Cedric [Bixler-Zavala, bandmate]. But this is the last time I'll do it like that. I want to collaborate more. I've had 10 years of kind of being a benign dictator in this band and I want to make it more like a democracy."

The Sonisphere Festival line-up so far is:

Airbourne
Alestorm
All Time Low
Anthrax
Arch Enemy
Architects
Biffy Clyro
The Black Dahlia Murder
Black Tide
Diamond Head
Firewind
Four Year Strong
Fozzy
Gallows
Gojira
Grinspoon
House Of Pain
In Flames
InMe
Kids In Glass Houses
Killing Joke
Limp Bizkit
The Mars Volta
Mastodon
Megadeth
Metallica
Motorhead
One Minute Silence
Opeth
Parkway Drive
Periphery
Protest The Hero
Rise To Remain
Sisters Of Mercy
Six Hour Sundown
Slayer
Slipknot
Sum 41
The Treatment
Volbeat
Watain
Weezer
You Me At Six