In the beginning of 2018, Dmytro Mazuryak, who plays more than 30 wind instruments, joined the band. On January 6, it became known that the band would take part in the national selection for the Eurovision Song Contest. On February 10, Kazka performed in the first semi-final of the selection with the song "Dyva". According to the results of the viewer voting and the jury, Kazka finished sixth and failed to reach the finals.