Praying Mantis have announced the release of their 13th studio album, “Defiance". The album comes to celebrate the band's 50th Anniversary and progresses from where the band has left off with their last release “Katharsis". Praying Mantis are now a well-established band of melodic hard rockers. Formed by brothers Tino and Chris Troy in 1973, together with bands like Iron Maiden, Def Leppard, Saxon, and others they spearheaded the NWOBHM (New Wave Of British Heavy Metal) movement.