Mary J. Blige and Drake team up in a new video. ( Kevin Winter/Getty Images)

ScHoolboy Q featuring A$AP Rocky: “Hands on the Wheel”

The rising rappers team up for this hook-filled, East Coast/West Coast throw-down, from Q’s new “Habits & Contradictions.”

Mary J. Blige and Drake: “Mr. Wrong”

Drake is so famous that even the Queen of Hip-Hop Soul has to wait. But his enigmatic moping in this new video of their great, neglected collab (he wasn’t in the old version) makes it all worth it.

DropxLife: “1stxFlr”

The Weeknd producer amends his slept-on mix tape, “Furthur,” to include this woozy, densely textured R&B track.

Justice: “Canon” (Erol Alkan Extended Work)

The legendary London DJ makes the ferocious original even more dance-floor-friendly on this souped-up remix — the likely highlight of the French duo’s coming remix disc, “On’n’On.”

Party Supplies: “Guy Friends”

The Action Bronson producer and Fool’s Gold artist release one of the finest sounds-happy-but-it’s-really-sad songs in memory.