Listening to Jean-Philippe Ruelle’s new single, “Switeesoul,” is a peculiar kind of eavesdropping. You’re not hearing a sunrise, exactly, but the slow, internal thought process of one coming into being. The track’s layered electronic pianos don't crash into your morning; they seep under the door, a cool wash of ambient sound that feels both deliberate and entirely accidental. It’s music that seems to have...

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...