Myles Sky’s new single, "Goodbye Letter", plays like a document found in a time capsule you buried for yourself only yesterday. It’s the sound of a very specific, solitary ritual: the final message written not to be sent, but to be known. It’s an act of emotional carbon dating, a way of proving to yourself that you were here, that you felt this, 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...