We Are One Festival - Cardiff - Announce Line-up Additions for January 2026.

2nd September 2025. Organisers of the alt rock music festival have announced their line up for the event taking place in the Tramshed on 31st January - 1st February 2026. New artists confirmed include CASEY, Lake Malice, Raiders, CARSICK and Parma Violence. They join previously announced artists Cassyette, Vukovi, As Everything Unfolds, Blackgold, Lastelle and Artio. Tickets are available now for anyone interested.

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