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Black Midi Guitarist Matt Kwasniewski-Kelvin Dies at 26

Published 12 January 2026

Matt Kwasniewski-Kelvin, founding guitarist of the experimental rock band Black Midi, has died at the age of 26 following a prolonged struggle with mental health issues, his family announced on January 12.

The news was shared via the band's label, Rough Trade, which posted a statement from Kwasniewski-Kelvin's family on social media. "It is with deep sadness that we as a family regret to inform you that Matthew Kwasniewski-Kelvin has died after a long battle with his mental health," the statement read. "A talented musician and a kind, loving young man finally succumbed despite all efforts. Matt was 26 years old. He will always be loved. Please take a moment to check in with your loved ones so we can stop this happening to our young men."

Rough Trade expressed its deepest sympathies to the family and described Kwasniewski-Kelvin as an incredibly talented founding member who would be truly missed. The label also encouraged those facing mental health challenges to reach out to loved ones or organizations such as Mind, the Campaign Against Living Miserably (CALM), and the Samaritans, which offer round-the-clock support.

Kwasniewski-Kelvin co-founded Black Midi in 2017 in South London...

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