The Jack's are back! Dublin rockers Aslan will perform before the throw-in at the crucial semi-final re-match between Dublin and Mayo this Saturday in Croke Park. 

Writing on their Facebook page today, the band said: "We are delighted to announce that, We will be performing in Croke Park before throw in this Saturday. Make sure you arrive early and bring your singing voices with you. It's gonna be a great day. Up the Dubs. Please share - Cheers The Boyz."