“Been a pretty tough event, to be honest,” Bell said. Bell said his understanding was drugs were not involved in Wong’s death either. He personally knew Peterson: “He was a nice guy.” New Zealand Police/Supplied A statement from festival organisers expressed their condolences to Peterson's family. “We are deeply saddened that David Peterson, a treasured member of the Wavefront Audio production team, passed away during the night while off duty on the night of December 30. “We extend our heartfelt sympathies to the crew member’s family, loved ones and colleagues at this time.” Wavefront Audio manager Milo Kerrigan paid tribute to his colleague in a post on social media on New Year's Day, where he said the death was suspected to be heart failure.