Guilherme Domingues (born 30 September 2003), known professionally as Blairbone, is an Brazilian singer, songwriter and record producer. Born in Jardim Alegre, Paraná, he began posting songs on Soundcloud in 2019 with the name "Gowther Lux". His first song to be released in the major streaming platforms was "The Cat Jump" in 2019. Blairbone's influences include Charli Xcx, Sophie, Björk, Arca, A.G. Cook, J.Y. Park, Black Eyed Pilseung, Mandragora, Aaron Joseph, Grimes and etc. The biggest inspiration for Blair's relationship with music is Madonna, because she was the artist that he heard during his childhood, adolescence and even today he remains a huge fan. He's inspired by alternative music, city pop, jpop and other pop-based genres. Blair defines himself as an "almost eclectic" person.