On Monday night, the silhouette of Jessie Ware’s blazer as she emerged onstage at the Sinclair was the first clue that we’d be doing some low impact time-traveling.

In smart contrast with the London singer’s suddenly signature yanked-back black hair, the thing was ample and droopy, but it was also a perfect fit — like she’d just wandered in through the stage doors from a cool evening in 1993.