Sardonicus has been played on NTS in shows including Black Impulse, featured first on 3 October 2017. Songs played include Evaporated Brain, Nymph and The Nymph.

A bunch of anonymous UK punk unknowns whose collective venom spews out and throws up two disturbed rockers. "Evaporated Brain" and "Nymph" were recorded at County Recording Services in Bracknell, Berkshire in 1973

Can be heard on the vinyl only "Do As Thou Wilt" compilation.