KAYTIE’s new single "Evil Person" arrives with the pristine, deliberate clarity of a single ice cube cracking in a silent room. For a piano-driven ballad, there is a surprising amount of sharp edges here. Kaytie Kear, the 20-year-old singer and songwriter behind the name, doesn’t just perform a song of heartbreak; she presents evidence. This is the autopsy of a connection so personal and...

There is a peculiar kind of engine at the heart of "Half Evil" by Tomato Soup, and it runs not on gasoline but on disorientation. The Denver six-piece calls their sound "Motor-Folk," and it fits. The track has the chugging, forward-moving momentum of a vehicle, yet it seems to be driving through a landscape seen in a fever dream, where the signposts are all...