Samantha Mora’s “Luto” arrived like a half-remembered dream, a wisp of smoke curling from a candle just extinguished. It's not a song to shout from rooftops; it's something you feel in the space between your breaths. Her voice is so smooth, a rich velvet you could lose yourself in. You'd almost think it could just glide across the cumbia rhythms like a hummingbird over...

With his new single, “I Can Tell,” Brendan Pegg documents not the loud crash of a relationship’s end, but the awful, held-breath silence just before. This is a song that understands the atmospheric pressure drop that precedes a storm, the chilling moment you realize an unspoken truth has settled in the space between two bodies on a couch. Pegg’s voice isn’t performing for an...