Gnosis is the fourth album by the British progressive rock band, Gnidrolog. The album's title, Gnosis, means divine or spiritual knowledge and understanding. It is their third studio album and the first to be recorded in 27 years. The album was mostly recorded at Select Sound Studios, Cairns, Australia, where it was engineered and produced by Nigel Pegrum. "Repent Harlequin", "Two Helens" and the title track were all recorded at Music City Studios, London, engineered by Joe Suarez and produced by Nessa Glen, in courtesy of Sarastro Music. The album was mostly published by Kempyre Music, except "Two Helens", which was published by Sarastro Music. Chris Copping of Procol Harum played his Hammond B3 Organ for a couple of tracks, which were recorded in Woodstock Studios, Melbourne and engineer