In early 2020, it was announced that Go_A was among the 16 acts participating in the Ukrainian national selection for Eurovision 2020 with the song '"Solovey". The band performed in the first semi-final, which took place on February 8, where they placed second and thus qualified to the final. On February 22, in the final they won both the public vote and the jury vote. Hence, they were supposed to represent Ukraine at the Eurovision Song Contest 2020 in May. However, on 18 March 2020, the event was cancelled due to the COVID-19 pandemic. On the same day announced that the band will represent the country in 2021. On 4 February 2021, it was announced that "SHUM" would be the song that Go_A would be performing in Rotterdam. At the Eurovision final on 22 May 2021, SHUM placed fifth, with 364 combined public and jury points. However, in the public vote alone SHUM placed second with 267 points.