Iconic drummer Iggor Cavalera and electronic artist Aaron Spectre (Drumcorps) discuss the soulful nature of drums, creativity, extreme music, why music the ethos and energy of industrial, hardcore and electronic music, the status of Iggor's many projects (Cavalera Conspiracy, Petbrick, Mixhell, et al), the decision he made when he left Sepultura to only make music with people he loves and lots more.