Post-punk has been one of indie rock’s trendier subgenres of the past half-decade or so, with British bands like Idles and Dry Cleaning leading a wave of talky, rhythm-forward art music. But post-punk can be fun, too, as groups like Wet Leg and Yard Act have ably demonstrated. And as heard from bands like Omni, there’s even room for melody in the mix, without abandoning the body-moving herks and jerks that define the style.