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...

There is a peculiar alchemy happening with Jimmy Eff and the Sundogs on their new single, "Better Like Before". It sits in the air like the smell of ozone right after a lightning strike charged, crisp, and signifying a sudden shift in the atmosphere. You listen to it, and you sort of expect the industrial gray of their Birmingham home base, yet the sound...