There’s a peculiar, soil-and-metal chill to Rubanq’s new single, "Bury Me Deep." From the first few sparse piano keys, you’re not so much listening to a song as you are being lowered into its world—a quiet, frostbitten landscape where the roads are empty and the sun is just a rumor. The Swedish songwriter operates in that stark territory between grunge’s raw-nerve honesty and Americana’s...

"Summer Rain" by Kristen Castro comes out at just the right time, like when the storm clouds part and the sun shines through, bathing everything in a soft yellow light. The Nashville-based singer-songwriter has really moved me with this song. It is both highly personal and easily understandable to everyone, like finding an old diary entry that applies to your present situation in some way. Five...