 At the end of "Pictures at an Exhibition", the band fired two cannons that Emerson had tested in a field near Heathrow Airport.The success of the group's debut, as well as Greg Lake's prior association with them while a member of King Crimson, led to ELP's signing management and recording contracts with E.G.Records, who distributed their records through Island Records in the UK and Atlantic Records' Cotillion Records subsidiary in North America.