Tolong jelaskan mengenai Competing entries dari Australia dalam Kontes Lagu Eurovision 2020

On 29 August 2019, SBS announced an open submission for interested songwriters to submit their songs. The submission period lasted until 30 September 2019.  SBS announced the first two participants for the national final on 8 November 2019, the next two on 19 November 2019, with the final names revealed on 16 December 2019.