Beneath the red lights of the Sultan Room in Bushwick on Saturday night, old and new fans of Sade swayed their hips, lip-synced to “No Ordinary Love” and closed their eyes in dance-floor bliss. Almost no phones were in sight.

“I don’t really go out that much but this is something I come out for,” said Lawrence Gonzalez, a reveler at the 10th anniversary of Sade Night, a party dedicated to the R&B star Sade and her namesake band. He wore a Sade “Soldier of Love” hoodie and a Sade cap, and a flash of his forearm revealed a Sade tattoo.

Before themed parties centered around a single artist, like Taylor Swift or Beyoncé, were available each weekend in New York City, before Apple and Supreme had stores in Williamsburg, before Dimes Square existed, there was Sade Night.

“I’m obsessed with Sade,” said Mr. Gonzalez, who has attended the event since its inception in 2014 at the now-closed Kinfolk in Williamsburg. “Being around people that wear merch to things like this boosts my enthusiasm,” he added.