With an image of the ascending Christ as a backdrop, the sanctuary of Bangor Abbey would be an imposing stage for many lesser artists than Steve Earle, who, from the opening unnamed new song to the closing favourite ‘Copperhead Road’, ensures the sold-out Bangor crowd’s attention remains on the music rather than on the discomfort of the church pews. The absence of a merchandise stall, café and bar facilities, or a support act does not detract from an intense yet entertaining set from the Texan, who admits between songs, “It’s not the first time that I’ve played in a church,…