Adriana Spuria’s new single, “Stone,” presents itself with the polished feel of a perfect skipping-stone, but listening closely reveals it has the curious weight of a fossil in your palm. Spuria sings of a very specific, modern affliction: the slow petrification of the heart. This is a loneliness born not from solitude, but from an inability to feel for anyone else, an insulation that...

Most music that arrives with the label “meditative” feels like an instruction to relax—a gentle but firm command. Karen Salicath Jamali’s “Angel Gabriel’s Light,” however, doesn’t instruct; it simply arrives. Listening to this single for the first time is like walking into a room to find the light has changed color, subtly and without explanation. You don’t question how it happened. You just stand...