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...

Listening to Libby Ember’s single “Alibi” is a study in strange emotional temperatures. The sound is a down-tempo, sun-dusted blanket of soft guitars and gentle synth pads, the kind of arrangement you’d put on to feel safe. But the feeling it leaves behind is a deep, architectural cold, the kind you find in the shadowed corners of an old stone church long after the...