I spent a solid hour this morning watching dust motes suspended in a single shaft of sunlight, my entire nervous system held absolutely captive by Magdi Aboul-Kheir and his devastatingly immersive new album, "Slow Heat". The Germany-based journalist and classically trained pianist usually writes across a massive spectrum of genres, pivoting wildly from trance to late romanticism. Today, he has dropped an ambient, contemporary...

A rubber band ball, meticulously constructed and then unceremoniously dropped, that's what Outside Pedestrian's "Jesu, Joy of Man's Desiring" feels like. Not the ball itself, mind you, but the brief, elastic snap of unexpected order being momentarily... let go. We know the Bach tune. It’s a holiday staple, often served up with a side of polite reverence. But here, Anthony Fesmire’s guitar, David Lockeretz’s...