She is best known as the violinist in The Wonder Stuff, one-half of acoustic duo Miles Hunt & Erica Nockalls, and as a live fiddle player for The Proclaimers.

[1] Whilst studying at the Conservatoire, Nockalls formed and performed live with the Birmingham-based progressive metal band FIRESWITCH.

Nockalls shared the role of lead vocalist and played a Ted Brewer electric violin, her first official instrument sponsor.

[1] Whilst studying at Birmingham Conservatoire, Nockalls frequently busked in the cities and towns of the West Midlands on weekends to support herself financially.

[citation needed] "It took me until I was 27 to feel I was ready to write my solo album, and as the mission statement explains in the Imminent Room artwork, I was bored of hearing and being disappointed by the efforts of almost everybody else, so I thought I'd invent my own music and stop moaning about it.

"Featured artists on Imminent Room include Jeff Walker (Carcass) on "Neon Crucifix", and Wayne Hussey (The Mission) and Mark Thwaite (Tricky/Peter Murphy/Mob Research) on "I Am Me, This Is Now".

The pair initially met in 2008 when Taylor employed Nockalls to record strings on his various TV projects, including BBC Arena documentaries The Dreams of William Golding (2012) and The Hunt for Moby Dick (2009), Farm Fixer (2012), At Your Service (RTE/BBC 2008–2010), Romy Schneider – A Woman in 3 Notes (ORF/Arte 2008).

Dutch Head is an alternative pop project conceived by George Taylor with material co-written and vocalised by Nockalls.

In 2015 Nockalls accepted an invitation from Shane Embury (Napalm Death) to take part as vocalist in his collaboration project Tronos.