Marcus began studying jazz at Trinity Laban Conservatoire of Music and Dance in her native London, but was kicked out during her first year.
(2022) After being signed to Polydor Records, Marcus released "Crown",[4] a song characterised by its distinct riff on the electric guitar, marking a shift from the dreamy, ethereal sound of her earlier music.
[5] Marcus grew up in Brixton's jazz scene and "became obsessed with music"[6] after listening to Richard Hawley's Coles Corner (2005).
[8] Other artists who "had an impact on" Marcus in her youth include Alex Turner, the likes of Sade, David Bowie and Joni Mitchell, as well as Mazzy Star, Fiona Apple and Jeff Buckley.
[13] Critics have compared Marcus to Lana Del Rey, Mazzy Star and Fiona Apple, primarily due to her aesthetic and small yet active fanbase.