In secondary school, she performed in several musical productions including Fame, Mamma Mia!, and Sister Act.

[7] In January 2022, Brooke was announced as one of six finalists competing in Eurosong 2022, the national final for Ireland to decide its representative for the Eurovision Song Contest 2022.

[10] She won by four points over "Ashes of Yesterday" by Janet Grogan and "Yeah, We're Gonna Get Out of It" by Miles Graham.

[11] She represented Ireland in the Eurovision Song Contest 2022 in Turin, Italy and performed in position 10 in the second semi-final on 12 May.

[15] Scullion and Rowiński eventually reached the final, finishing as joint runners-up to Carl Mullan and Emily Barker.