She began playing the guitar at 15 years of age and attended weekend classes at the Liverpool Institute for Performing Arts.

[4][5] O'Connor's music attracted the attention of agent Sam Bush, who signed her to a contract and arranged gigs for her in the United States.

[9] Her second EP, Strange, was released by Polydor Records in September 2014,[10] and its track "Hangover" was playlisted on BBC Radio 1.

[18][19][20] As her parents surrounded her with folk and soul music, she lists Alicia Keys, Leonard Cohen, Lou Reed, Joni Mitchell, Aretha Franklin, Billie Holiday and Marvin Gaye among her major influences.

[7] Noisey wrote that O'Connor "blends Bat for Lashes' cosmic mystic pop, Stevie Nicks' breathless vulnerability, and possesses the vocal chops to keep up with Adele",[21] while Hunger magazine wrote that her output "feels spiritual and almost occultist".