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...

Bolidde's new album, Rainbow Galaxy, doesn't so much arrive as it does seep into the room, a ten-track document of flight powered by rock and roll muscle. Here is a veteran of the French scene who understands the architecture of a great pop hook, but who uses that knowledge not to build a summer villa, but a high-speed getaway vehicle. The album’s energy is...