Irish newcomers Cardinals on faith, family and the scars of British violence: ‘It’s shocking to think that could have gone on in your city’

The Cork-formed band are preparing to release their brilliant debut album, ‘Masquerade’. Frontman Euan Manning and his brother, accordionist Finn, speak to Roisin O’Connor about the art that moves them, their father’s anger at the church, and the violence that inspired one of their most powerful songs to date