Debut and early success (2012–2018) Blackery released her debut demo-
EP,
Human Behaviour, in early 2012 exclusively on Bandcamp. The title track was later re-recorded for her 2017 EP Magnetised along with other demos released by Blackery at that time. Her first official EP,
Distance came out in July 2013 and spawned the music video for the lead track, "Go the Distance", produced by
Arthur Walwin. Her second EP,
Perfect, was released on 11 November 2014. Its title track topped the
UK Independent Singles Breakers Chart for one week, and entered the
UK Rock & Metal Singles Chart at number eight. In 2015,
Elle included Blackery on its "30 Women Under 30 Who Are Changing the World" list.
Jason Perry produced Blackery's fourth EP,
Sucks to Be You, which was released in 2016. Its title track peaked at number 85 on the
Scottish Singles Chart. On 4 April 2016, Blackery announced that she would join
pop punk band
Busted on their
Pigs Can Fly tour. "Sucks to Be You" was the
runner-up for the first
Summer in the City Song of the Year award. After touring with Busted, Blackery toured on her own and performed her music at other YouTube events. She released her fifth EP,
Magnetised, on 26 May 2017. It spent one week on the
UK Albums Chart at number 63, On 6 August, Blackery received a Summer in the City Song of the Year award for "Nothing Without You". The
cover art for
Magnetised was featured at the Apple Keynote event for the
iPhone X in September 2017. On 16 March 2018, she released the lead single "Dirt", produced by Toby Scott. was described by
Record of the Day as a "slick combination of
Scandi-pop" and "sassy American pop"; On 3 May 2018 she released her second single "Agenda" along with a
lyric video. On 22 May 2018 she released the music video for "Agenda" followed by a lyric video for "Icarus" and a music video for "Take Me Out" in June and August respectively. Blackery shared that during the album's creation, she learned more about production and the artistic direction she wanted to go in. She explained, "It was really during the album writing process that [she] learned how to create music outside of basic chords on a guitar - [she] ended up producing a large amount of the finished product that [her] fans heard and only learned after it was released that sometimes you sadly have to fight for credit on your own work." The album contains songs written in collaboration with Toby Scott, Maxwell Cooke, and Peter Hutchings.
BroadwayWorld noted that "Petty" "flirts with
tropical house", Lisa Hafey, praising "Third Eyes "upbeat disco sound" and "nice ABBA-y vibe", called
Villains "a bit of a feminist album". Blackery then partnered with
HMV for a UK tour.
Villains spent one week on the
UK Albums Chart at number 24 and number 18 on the
Billboard Heatseekers Albums chart. The European Villains Tour, planned for March 2018, was postponed until October. London based singer-songwriter Lilly Ahlberg was the tour's special guest. The three-week tour began at Oslo's
Parkteatret on 4 October, followed by performances in Stockholm, Copenhagen,
Sugarfactory (Amsterdam), Hamburg, Berlin, Vienna, Munich, Cologne, Frankfurt,
Academy 2 (Manchester),
O2 Institute2 (Birmingham),
The Garage (Glasgow), and
Tramshed (Cardiff) before ending at
KOKO in London on 25 October. A
Never Enough Notes reviewer at KOKO saw "angst, passion, and energy in every word" and wrote that Blackery has "a knack for live shows; full of attitude, high energy and a phenomenal vocal performance". Blackery released "Cute Without You", coproduced with Toby Scott, in April 2019, adapted from a demo she produced herself as part of a collaboration with
Rimmel London the year prior. In July 2019, she performed at the Evoke festival in
Brentwood and for
BBC Radio 5 Live, where
Nihal Arthanayake interviewed her for his
Headliners series. In December 2019 she performed an unreleased song titled "Plot Holes" at
SitC Winter Edition at the
NEC.
Girl in a Box & Past & Present Tour (2020–present) Blackery released her sixth EP,
My Arms Are Open, on 15 May 2020. The lead single "Wolves' was released on 2 April 2020 ahead of the EP. She went on to release lyric videos for songs "Plot Holes" and "History of Touches". She has described them as "some really personal lyric videos", which she created herself both in her home studio and outside near her home at sunset. On 22 November 2020, Blackery announced during a YouTube video that her second studio album was in production, due to be released in 2021. On 9 June 2021, Blackery revealed her second album's title,
Girl in a Box, through a series of tweets, where she posted the album's cover art, alongside the release date of 27 August 2021. These tweets include the full tracklist, revealing a total of ten songs, which includes the previously released singles "Crying", "Brutus" and "My Terms", as well as the announcement of a UK tour to promote the album, which was scheduled for February 2022. She released two singles after the album called "What Have You Done for Me Lately?" and "Cry to Your Mother" leading into the tour. She had to reschedule for June 2022 for COVID-19 reasons. In January 2023, she announced she was working on a new EP to be released later in the year. "Everybody Lies" came out in July 2023 as the lead single, while "Apologise" and "Parasite" came out prior the
Cannot Help Myself EP's release in October 2023,. In December 2023, Blackery announced her
Past & Present Tour taking place in October 2024 through several venues in the United Kingdom. She recheduled the tour in September 2024 for October 2024, It continued in February 2025, however was soon cancelled before the Kings Heath show at the Hare and Hounds pub, due to urgent family matters. In 2024, Blackery released singles; "Drop Dead Disco" on 19 July, "Fantasy" on 13 September, and "All The Way Down" on 15 November, and in 2025, released "Isn't It Funny" on 7 February, "NEPO BABY" on 6 June, "USED' September 26. . ==Other work==