Diehard Dexys fans have long been primed to expect the unexpected. Almost from the moment they first appeared, as the 70s became the 80s, it was apparent that this was a band that would run entirely according to their leader Kevin Rowland’s own, occasionally imponderable, internal logic. The release of a new Dexys album invariably heralded complete change: a radically different look, a new sound, a new lineup.