Lou Koller, Sick of It All vocalist, dies of cancer

Lou Koller, the longtime vocalist of the hardcore‑metal band Sick of It All, died overnight from cancer, a fact reported on 25 July 2026. The news prompted immediate tributes across the metal community.

A live review of Offal Fest 4 noted the tragedy, describing the event as a somber backdrop to the festival’s performances. The Metal Hammer podcast (episode 145) dedicated a segment to Koller’s passing, featuring commentary from hosts and interviews with other metal artists, while also highlighting new releases from bands such as Five Finger Death Punch and King Diamond.

Both pieces underscore the impact of Koller's death on fans and fellow musicians, marking a moment of collective mourning within the global metal scene.