contest, with Australia having secured participation rights up to 2023. However, only 41 countries entered the contest when Ukraine subsequently withdrew: conflicts between the Ukrainian broadcaster UA:PBC and the winner of its Maruv led to the latter refusing to compete, resulting in its withdrawal after other acts from the selection also declined to partake. The Netherlands recorded its fifth Eurovision win and first in 44 years, courtesy of Duncan Laurence with "Arcade", which would later become a sleeper hit in 2021, becoming the most-streamed Eurovision song on Spotify and the first since "Ooh Aah... Just a Little Bit" to chart on the US Billboard Hot 100, eventually reaching the top 30 of the chart. 2020s The Eurovision Song Contest 2020 was scheduled to be held on 12, 14 and 16 May 2020 at the Rotterdam Ahoy in Rotterdam, Netherlands and organised by Nederlandse Publieke Omroep (NPO), Nederlandse Omroep Stichting (NOS) and AVROTROS. 41 countries applied to enter what would have been the Netherlands' fifth contest as hosts, but in March 2020, for the first time in its history, the contest was cancelled due to the uncertainty caused by the COVID-19 pandemic and the restrictions put in place by governments across Europe, which included lockdowns and travel restrictions. In its place, a special broadcast from Media Park in Hilversum, Eurovision: Europe Shine a Light, was held on what would have been the day of the final, in a celebration and showcase of the artists and songs that would have competed in the 2020 contest in a non-competitive format, as well as featuring performances by former Eurovision artists. The Eurovision Song Contest 2021 was the sixty-fifth edition of the contest, held on 18, 20 and 22 May 2021 at the Rotterdam Ahoy in Rotterdam, Netherlands and organised by NPO, NOS and AVROTROS. Rotterdam was revealed as the host city of the 2021 contest during Eurovision: Europe Shine a Light. Many of the artists which had initially been selected to compete in 2020 were confirmed for their countries once again, however any song entered into the 2020 contest was ineligible for 2021 per the rules of the contest. Pre-recorded backing vocals were permitted for the first time in 2021 on a trial basis, announced as an effort to modernise and increase the sustainability of the contest. The same 41 countries which had originally planned to enter the 2020 contest were initially announced as