Tickets go on sale today at 10am for Catfish & The Bottlemen performing at Cardiff Castle on Sunday 29th July.
Support acts have not yet been announced.
The event will start at 4pm.
Tickets are priced at £32.50
Tickets will feature the name of the lead booker on each ticket, who must be present with matching photo ID to gain entry.
Under 16s must be accompanied by a paying adult.
latest on this festival
event at Cardiff Castle on Sunday 29th July