impromptu

Elsewhere, middle-class men, many of whom had rarely set foot inside a kitchen, hold impromptu classes where they instruct volunteers on boiling and cooking salt.

“In short order the warren of oddly shaped rooms in the carriage house became spaces for lectures, workshops, and impromptu performances,” Mr. Gennari writes.

"It's truly touching," said Stone Ngai, 38, one of the organisers of an impromptu aid station.

Whether it’s a group stroll, touch football game on the lawn, quick bike ride, run, or impromptu dancing to “Shake It Off,” moving your body aids digestion, regulates blood sugar, eases tension and promotes relaxation.

After releasing his most recent album, “Essex Honey,” Blood Orange made his impromptu return to the fest — calling last year’s set “one of his favorite shows.”