Organic Hallucinosis is Decapitated's fourth studio album. The album was released on February 7th, 2006 in the United States, February 13th in Europe and on February 22nd in Japan. It was recorded in August of 2005 at Hertz Studio, Białystok, Poland, and released on Earache Records, Teichiku Records in Japan, and Soyuz Music, a Belarusian label. The release was followed by European and North American tours. It is Decapitated's only album to feature vocalist Adrian "Covan" Kowanek, and their final album to feature bassist Marcin "Martin" Rygiel and drummer Witold "Vitek" Kiełtyka, in which the latter died at the age of 23 in a tour bus accident in Russia that also seriously injured Covan. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.