GISKE’s "The Sound of Birdsong" doesn’t so much begin as it seeps into the room, like the pale, perpetual twilight of a Norwegian summer night where sleep feels like a theoretical concept. This is a song for the space between the last page of a book and turning off the light; a four-minute float in that strange, conscious stillness when the world is quiet...

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...