Singer, songwriter, and activist Peter Yarrow was a third of the legendary folk group Peter, Paul and Mary. He talks to WCAI's Brian Morris about the trio, his activism on various social causes, and the story behind some of the group's best-known songs. Yarrow is scheduled to perform at the Harwich Cranberry Festival Friday night, May 8th.
Peter Yarrow talks activism, music, and Peter, Paul and Mary
