Hall took place on 29 September 1973. It was an all-Wagner orchestral concert performed by the Sydney Symphony Orchestra, conducted by Charles Mackerras and with Birgit Nilsson as the soprano soloist. The first music played was the Prelude to Die Meistersinger von Nürnberg. The concert closed with the Immolation Scene from Götterdämmerung. After the opening: The first violin and piano recital was given by Wanda Wiłkomirska, with pianist Geoffrey Parsons. Public and commemorative events In 1993, Constantine Koukias was commissioned by the Sydney Opera House Trust in association with REM Theatre to compose Icon, a large-scale music theatre piece for the 20th anniversary of the Sydney Opera House. During the 2000 Summer Olympics, the venue served as the focal point for the triathlon events. The event had a swimming loop at Farm Cove, along with competitions in the neighbouring Royal Botanical Gardens for the cycling and running portions of the event. Since 2013, a group of residents from the nearby Bennelong Apartments (better known as 'The Toaster'), calling themselves the Sydney Opera House Concerned Citizens Group, have been campaigning against Forecourt Concerts on the grounds that they exceed noise levels outlined in the development approval (DA). In February 2017 the NSW Department of Planning and the Environment handed down a $15,000 fine to the Sydney Opera House for breach of allowed noise levels at a concert held in November 2015. However, the DA was amended in 2016 to allow an increase in noise levels in the forecourt by 5 decibels. The residents opposing the concerts contend that a new DA should have been filed rather than an amendment. The Sydney Opera House sails formed a graphic projection-screen in a lightshow mounted in connection with the International Fleet Review in Sydney Harbour on 5 October 2013. On 31 December 2013, the venue's 40th anniversary year, a New Year fireworks display was mounted for the first time in a decade. The Sydney Opera House hosted an event, 'the biggest blind date' on Friday 21 February 2014 that won an historic Guinness World Record. The longest continuous serving employee was commemorated on 27 June 2018, for 50 years of service. On 14 June 2019, a state memorial service for former Australian Prime Minister Bob Hawke was held at the Sydney Opera House. Advertising controversy On 5 October 2018 the Opera House chief executive Louise Herron clashed with Sydney radio commentator Alan Jones, who