Vorst in de Grond 2026: Castillo, Waterschade, Robber, Krime & more! The best anti-King's Day party on Sunday, April 26, 2026. Featuring angry punk, Oi!, hardcore, and powerviolence noise. Artists include Castillo from Los Angeles with raw but melodic Oi!, Waterschade with tight songs and a fiery live show, Robber with a mix of hardcore, Oi!, and rock 'n' roll, Krime with catchy hardcore punk and a fierce political charge, and Homunculoid, a young powerviolence trio known for making noise in unusual places.