Blackbird Festival takes place on June 27, 2026 in Cardiff, Wales, featuring a powerful rock and alternative metal lineup. Headlined by Bush and Alter Bridge, the single-day festival showcases grunge and post-grunge sounds alongside ragga-influenced rock from artists including Skindred, Florence Black, and Cardinal Black. The festival brings together established rock acts from both the UK and US for fans of alternative metal and modern rock music. With only five carefully selected artists, Blackbird Festival offers an intimate but high-energy rock experience in the Welsh capital.