There’s a certain expectation that comes with a new release from Kim Cameron. For years, the Miami-based artist has been a reliable source of high-energy, deep house anthems, music precision-engineered for the dance floor. Her name is synonymous with movement, with the kind of infectious hooks that have propelled her up the Billboard and iTunes charts. So when a new track of hers begins not...

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...