Listening to Arnold J.’s new single, "Muddy Waters," isn't quite like anything else swirling around right now. It arrives with the gentle insistence of incoming tide, pulling you into its specific gravity. Arnold J., Ghanaian-born and now Canada-based, weaves a sound tagged as alt-country and folk, but those labels feel thin, like trying to contain smoke. There’s earthiness, sure, but his soulful vocal lines...

It’s a rare and bewildering thrill to encounter something as organically bizarre and entirely transportive as Koradan’s newest album, "Around the World...Music". The Italian duo Alex Baccari and Marzia Di Cicco are dedicated acoustic alchemists. They build the very tools they play. Through their patented centerpiece, the "Koritas," they have physically fused materials harvested from five different continents into a single resonating chamber. You...