Love Ghost from Los Angeles and Wiplash from Mexico make the best song about heartbreaks in the digital age. They meet in the neon-lit streets of modern music. "Left on Read," their fiery song, is a pop-punk blast that makes the fear of unread letters audible. This song stands out because of its strong notes and steady drum beats. They make me think of the...

Lessons in Crime’s new single, "Reply ASAP," bounces along with the kind of infectious energy you’d want for a summer road trip, but it’s a smokescreen for a uniquely modern state of inertia. It feels less like a rock song and more like one of those old pneumatic message tubes from a 1940s department store—all zip and kinetic energy on the outside, but inside,...