“Some of the best post-punk bands mix precision with passion in a way that unites those poles. Think of how the Minutemen’s sharp songs felt like both a fine-tuned machine and a beating heart, or how Erase Errata wound their tunes so tight they burst into head-rushing abandon. Atlanta trio OMNI is only on their first album—Deluxe, due out July 8—but they’ve already caught that essential combination”