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...

There is more to Rosina Buck's story than just music. There is also a story of change. She broke the silence with "Like a Lion," a song about an artist who turned her problems into wins and showed that making art can be the deepest form of revolt. She has turned her problems into victories. For six years, this tune has been being worked on. It's...