Bongripper is an American instrumental doom metal band from Chicago, formed in 2005. History In 2006, Bongripper self-released their first album titled The Great Barrier Reefer, which is composed of a single 79-minute piece created with the intention of being longer than Sleep's Dopesmoker. In 2007, the band self-released their second studio album titled Hippie Killer and their third studio album titled Heroin. In 2008, the band self-released its fourth studio album titled Hate Ashbury and a c...