Anyone who thought that Irish folk’s resurgence might be a short-lived thing, as so many musical movements are, wasn’t reckoning on the emergence of a new breed, spearheaded by Kingfishr and Amble.

John Paul Walters listened to a few cuts from his old band on Sunday night. As the harmonies filled the room — songs from Meisburg and Walters, the folk tandem he formed with former City Commissioner ...