One of the more counterintuitive rules of pop music says that the least original artists often end up being the most imitated ones. That’s how Elvis can be simultaneously remembered as the person who made America rock and the guy who stole from the true creators of rock; it’s how there are so many Google results for the phrase “Oasis knockoff.” Two bands that just released sophomore albums exemplify the idea that nostalgia and creative theft can be forward-thinking.