'The Root' video was shot in a Dayton, Ohio supermarket
The track features on the band's 'EP-2', which was released on January 3
Royal Blood and reunited Starsailor also among first line-up additions for July event
But drummer David Lovering states the band's newest bass player is 'wonderful'
Band release four new tracks, including 'Blue Eyed Hexe'
Shattuck was fired from group in November
Frontman speaks out after replacing Kim Shattuck with Paz Lenchatin
Bass player speaks for first time since leaving US band in November
Lenchatin, who has previously played with Zwan and A Perfect Circle, replaces Kim Shattuck