Heavy organic drums, soul samples bursting with horns, and pitched-shifted vocals tend to convey one of two moods: anthemic triumph or bittersweet melancholy.

NPR: Rapper Freeway a Veteran 'At Last'

The two envoys' work has at least changed moods.

ECONOMIST: Canada

They discovered that eating carbohydrates every two-and-a half hours helped balance her moods and increase her serotonin production.

BBC: NEWS | Health | 'I would become a raging monster'

Two simple examples of our interaction - firstly, remaining sensitive to each other's moods and concerns, never belittling.

BBC: How to get along for 500 days alone together

The two million-plus yearly visitors to the Taj stroll its grassy plazas, watching shadows shape the building's moods.

NPR: A Pilgrimage to the Taj Mahal, a 'Poem in Stone'