This is the first official reissue on vinyl of ultra rare legendary album "Hyperthalamus" of Hamburg group Dennis. Dennis were a kind of session group including a collection of musicians from Tomorrow´s Gift, Thirsty Moon, Xhol, playing free-rock to enthusiastic festival goers (according to A crack in the cosmic egg). Leading member was Frumpy drummer Carsten Bohn (the band was namedafter his son). But keyboarder Manne Rürup (of Tomorrow´s Gift fame), Michael Kobs and Willi Pape (of Thirsty Moon…