The music world is mourning the sudden loss of Matt Kwasniewski-Kelvin, co-founder and guitarist of the experimental London band Black Midi. He passed away at the age of 26 after a long battle with his mental health, as confirmed by his family through Rough Trade Records.
Matt was widely admired for his creativity, distinctive guitar style, and his role in shaping one of the most innovative British bands of the decade.
What happened to Matt from Black Midi?
Matt Kwasniewski-Kelvin stepped away from performing in 2021 to focus on his mental health. While he did not tour or record for the later albums Cavalcade or Hellfire, he remained involved as a songwriter, contributing to several tracks, including the fan-favorite single John L..
His death in 2026 came after a long struggle with mental health challenges, prompting his family to urge the public to check in on loved ones and raise awareness about mental health.
Who Was Matt Kwasniewski-Kelvin?
Matt formed Black Midi in 2017 alongside schoolmates Geordie Greep, Morgan Simpson, and Cameron Picton while attending London’s BRIT School, known for producing some of the UK’s most talented young musicians.
He quickly became recognized for his avant-garde guitar work, helping define Black Midi’s unique sound that blends math rock, post-punk, and experimental rock. Fans and critics alike praised his inventive, chaotic playing style.
Matt Kwasniewski’s Career Highlights
- The Brixton Windmill Scene: Matt was a core figure in the local live music scene, performing energetic shows that helped the band gain early recognition.
- Debut Album – Schlagenheim (2019): His aggressive, experimental guitar was a cornerstone of this critically acclaimed album, which earned a Mercury Prize nomination.
- Hiatus and Songwriting (2021): Matt stepped back from touring to focus on mental health but remained a credited songwriter on key tracks, including the fan-favorite John L.
Tributes From Fans and Musicians
The news of Matt’s death has deeply affected fans and the music community worldwide.
- Rough Trade Records: “An incredibly talented person who will be truly missed.”
- Jason Williamson (Sleaford Mods): “Rest in peace, Matthew. Thoughts are with his family.”
- Mary Anne Hobbs (DJ): “I’m so very sad and sorry to hear this tragic news… Rest in peace Matt, you beautiful genius.”
His family described him as “a kind, loving young man” whose creativity touched many lives.
Mental Health Awareness
Matt’s death highlights the importance of mental health support, especially for young people in creative industries. His family urged everyone to check in on loved ones.
For support in the UK:
| Organization | Contact | Purpose |
|---|---|---|
| Samaritans | 116 123 | 24/7 Emotional support |
| Mind | 0300 123 3393 | Mental health advice & support |
| CALM | 0800 58 58 58 | Campaign Against Living Miserably |
Remembering Matt
Fans remember Matt for his unforgettable stage presence, his chaotic “wall of sound” guitar style, and the creativity he brought to Black Midi. His influence on the New British Invasion of experimental rock will be felt for years to come.
From Brixton’s Windmill clubs to global stages, Matt’s music and legacy remain an inspiration for fans and young musicians worldwide.
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