Dec. 2019 (no prelude talk)
April 2020 (pandemic)
May 2020 (pandemic)
Dec. 2018 (no prelude talk)
Dec. 2017 (no prelude talk)
April 2018 (no recording)
Dec. 2015 (no prelude talk)
Dec. 2013 (golden baton presentation to Arthur Barnes, 4.7MB mp3)
April 2014 (no recording)