There are several bands with the name "Hard Stuff" 1. An English hard rock group formed from Atomic Rooster's John Du Cann and Paul Hammond, and Quatermass's John Gustafson. They recorded two albums, Bulletproof and Bolex Dementia (both on Purple Records). Compared with Atomic Rooster's more progressive leanings, Hard Stuff was based more heavily on aggressive guitar. Sinister Minister, Taken Alive, and Time Gambler are some of their singles off of the album Bulletproof. 2. It also a unit of I've Sound with the two composers Kazuya Takase (高瀬一矢) and Tomoyuki Nakazawa (中沢伴行).Since 2001 and style is trance,techno & psychedelic User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.