SIDIOUS

SIDIOUS

1.7K
1 Festival in 2026

SIDIOUS are a UK-based black metal band, with releases also classified as death metal. The band's live shows are notable for their intense and dark atmosphere, incorporating extreme metal elements.

Sarah Pagel · 5 May 2026

Festivals featuring SIDIOUS

All confirmed 2026 festivals

Cosmic Void Festival

Cosmic Void Festival

Sep 18, 2026 - Sep 20, 2026

Cosmic Void Festival is an extreme metal event held in London, United Kingdom, specifically dedicated to black metal, atmospheric, and avant-garde subgenres. Curated by Cult of Parthenope, it features a diverse lineup of international underground artists and ritualistic performances across various iconic music venues.

London, United Kingdom
Metal

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Sarah Pagel

Sarah Pagel

An independent music & festival researcher with 10+ years in the global dance scene.

5 May 2026