A United Nations agency says the United States, China and Japan are leading the world in developing artificial intelligence, or AI, technology. Audio (US) (file)

She decorated the room plainly but neatly.

The new chef reorganized the space where we keep the pots, pans, and other kitchenware.

In its lean arrangements, her band conjured both traditions and possibilities: the tambourine and strummed cavaquinho (miniature guitar) of samba for “Na Gangorra,” a loungey acid-jazz pulse and hints of reggae for “Vento No Canavial,” African-tinged funk in the Vinicius de Moraes-Baden Powell song “Consolaçã” and in the French songwriter Camille Dalmais’s “1, 2, 3.”