Mark Mynett of Plague of Angels says there is also a classist undertone to outrage at band’s concert at York Minster

A heavy metal band whose show at York Minster has been called an “outright insult” to Christianity has said the church is “sleepwalking” into oblivion unless it becomes more open-minded.

The English rockers, Plague of Angels, provoked a backlash last month from parishioners who described the concert in April as “shocking and deeply inappropriate” and threatened to protest outside the 800-year-old cathedral.