The Great DEEP PURPLE Debate. On this debut Shockwaves Skull Sessions podcast episode host Bob Nalbandian is joined by head of A&R at Roadrunner Records, Monte Conner, and heavy metal book author/journalist Martin Popoff to discuss the legendary British rock band Deep Purple’s extensive career as they examine the band’s 40 year plus career analyzing their entire musical catalog. This exclusive 3-way conversation was recorded in May 2008