The "day is done" — Peter Yarrow, one third of New York City's folk trio Peter, Paul and Mary, has died. He was 86 years old.

The singer and songwriter who helped popularize folk music in the 1960s died of bladder cancer at his home in New York.

Peter Yarrow, one third of the chart-topping 1960s folk trio Peter, Paul and Mary and co-writer of 'Puff,the Magic Dragon' ...