Tennis gets a production assist from Patrick Carney of the Black Keys on its new single. (Photo by Charlotte Zoller)

Tennis: “Origins”

The husband-and-wife team’s snappy new song was produced by Black Keys drummer Patrick Carney, who adds an appealing bottom-heaviness to its usually lightweight retro-pop.

SmCity featuring Skyzoo & Kokayi: “Twilight”

This video for the DMV rapper’s stellar, unaccountably slept-on new track references “The Deer Hunter” in ways we reallydon’t want to think about.

The Mighty Fine: “Ready to Roar”

If this scuzzy new garage-soul track brings back happy memories of the like-minded Afghan Whigs, it’s no accident: Greg Dulli himself helps out on backing vocals.

Nicolas Jaar: “Why Didn’t You Save Me”

The Brown University student/label head delivers more sad, creepy techno-lite on this gorgeous, richly textured new track.

Azealia Banks: “Grand Scam (Lyrical Exercise)”

The Harlem rapper goes in hard on this nasty, brutish and short new track.