 The <unk> supporting the debut album began on 30 May 2008 , when Cavalera Conspiracy played its first official concert at the Electric Weekend festival in Madrid , Spain . However , for this live performance and the subsequent European tour , the band had to replace Duplantier , who was unable to join Cavalera Conspiracy on the road as he was recording Gojira 's fourth studio album , The Way of All Flesh . He was replaced by Johny Chow of Fireball Ministry . Between June and mid @-@ July 2008 , the band performed in several festivals , including appearances at the Pinkpop Festival , Rock am Ring and Rock im Park , Download Festival , Graspop Metal Meeting , <unk> , among others . 
