Michael English (1941–2009) and Nigel Waymouth (born 1941) were a collaborative duo known as Hapshash and the Coloured Coat who designed psychedelic posters for many bands. They used forms inspired by Art Nouveau artists, such as Alphonse Mucha (1860–1939), and pop art. A characteristic of their design was a rainbow blending of metallic and Day-Glo inks.
This poster shows mastery of rainbow colour blending in several layers. The artists ensured that the different layers did not mix by varying the viscosity of the inks. The colours were laid together at the edge of the screen and the squeegee blended the colours together as it is pulled the inks across the screen. In this poster, the red runs into yellow, then silver runs into gold (the stars) and finally blue blends from dark to light. The blue is noticeably thick on top of the other layers.