Darkness can leave room for a joke, and heavy music can still move. On "Rustbelt Rejects", Akron artist Zmack puts that relationship to work through abrasive textures, grooves and odd humour. His original album brings hip-hop into contact with Memphis trap, Horrorcore, industrial, funk-metal and phonk. Yet the aim is not genre display. The range accommodates memory, loss, anger, pride, relationships and Irish-American identity. It gives...

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...