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...

When the Australian band Evol Walks stripped down this version of "Sleeping with a Ghost," they bravely went where no one had gone before. The ominous words and heavy music in the song are well known. The song's version from a year ago is interesting, and it gives us a sneak peek at the band's much-anticipated EP. Evol Walks is known for its raw energy and...