Biffy Clyro have announced they’ll be playing a huge Cardiff show set to take place in September.The Scottish trio, who released their most recent album ‘A Celebration Of Endings’ back in August, will be taking over Cardiff Bay’s Alexandra Head on September 16, with support coming from Frank Carter And The Rattlesnakes.“We are excited to announce that Biffy Clyro will headline Cardiff Bay on September 16th 2021, as part of the Bay Series with special guests @andtherattlesnakes,” a post on the