 On 5 November 2014, Barton performed at the memorial service for former Prime Minister Gough Whitlam in the Sydney Town Hall.In 2015, Barton performed at the 100th anniversary opening Gallipoli at ANZAC Cove, Turkey for dawn service.In 2019, Barton played with the Sydney Symphony Orchestra an orchestral rendition of Down Under at the memorial service for former Prime Minister Bob Hawke at the Sydney Opera House.