Music
Teenage Fanclub, I Am Kloot, Tommy Reilly and King Creosote will join the Welsh indie stalwarts at the outdoor show on Saturday, July 25.
The music event also includes free all-you-can-eat ice cream for fans across the day.
"We're looking forward to playing sweet songs from our new album Dark Days/Light Years to the masses at Ben and Jerry's festival," said keyboard player Cian Ciaran.
Tickets for Sunday, July 26, which will feature performances from The Human League and The Futureheads, have sold out.
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