This would be Williams last performance with the band, and the first time that he met Lennon, who was drumming in the support act The Brain Children (Lennon's time in Parasite petered out due to the unworkable distance between him and Scanlon).
Williams' last concert with the band took place, marking the first encounter between Williams and Lennon, who was playing drums for The Brain Children. Lennon's time with Parasite came to an end because of the logistical challenges posed by his distance from Scanlon.