 When the all-nighter opened in November 1990, John Kelly, James Barton and Gary J joined the resident DJ crew.Guest DJs at Quadrant Park included Laurent Garnier, Derrick May, Frankie Bones, Fabio, Grooverider, Rob Tissera, Trevor Fung, Joey Beltram and Sasha.Knowler was given the Thursday night gig in January 1990, and was later also given the residency of the club's Friday and Saturday nights.