Olleroma has 3 Catfish and the Bottlemen concerts.

Catfish and the Bottlemen are a British rock band, formed in Llandudno, Wales in 2007. Their debut album, The Balcony, reached number 10 in the UK Albums Chart and achieved Platinum status on 30 December 2016. The band have toured in the UK, Europe, North America, and Australia and have featured in a number of festivals including Lollapalooza ,Glastonbury, Latitude, Reading and Leeds, Rock Werchter, T in the Park, Governors Ball, and Bonnaroo. They won their first Brit Award for British Breakthrough act on 24 February 2016.