Heil began her professional music career in 2017, releasing her debut extended play De mii dim (transl.

[5] In 2012, Heil launched her YouTube channel, where she posted vlogs and covers of songs made popular by Ukrainian and international musicians, such as Twenty One Pilots, Okean Elzy, The Hardkiss, and Kodaline.

Okean Elzy frontman Sviatoslav Vakarchuk frequently republished Heil's covers of songs by the band and cited his approval of her versions.

She was introduced to the label and its founders Yevhen Filatov and Nata Zhyzhchenko – the leader singer of Onuka – after Heil began looking for producers to assist with her song "De mii dim" (transl.

Heil then began working closely with the label, and recorded her debut extended play De mii dim with them, which was later released in October 2017.

[13] In March 2019, Heil published a portion of her upcoming single "Okhrana, otmiena" on Instagram, which she had recorded with Ukrainian producer Morphom.

[14] The track quickly gained momentum, when Ukrainian singers such as NK and Vera Brezhneva complimented and further distributed the song's snippet.

[15] Heil later released a full version of the song through YouTube the following month, where its music video has received more than 14.8 million views; "Okhrana, otmiena" additionally became a top five hit in Ukraine.

The company then insisted that all Universal Music Group songs included on Heil's channel must be removed and demanded a fine of several thousand Ukrainian hryvnias for violating copyright laws.