The Secrets – 57 Biffy Clyro cover Jun 12, 2015 Blackened Sky, Cover, Cover 57, Cover Biffy Clyro, rough video of us rehearsing our own interpretation of one of biffy clyros songs. Like 0 Thanks! You've already liked this « Biffy Clyro – Mountains Guitar Cover » Biffy Clyro – Stingin‘ Belle (Andrew Hodkinson Guitar Cover)