LGBT Fanbase: girl in red has a massive queer fanbase, as she is a lesbian and her music often focuses on queer themes. This had led to "Do you listen to girl in red?" becoming a coded way to ask if someone is a lesbian.
Memetic Mutation: "Do you listen to girl in red?"note This phrase is a coded way for women to ask each other if they're lesbians, due to the queer themes in her work and her large queer fanbase.