Today in 1963, the influential American folk music group, The Weavers, gave their farewell concert at Orchestra Hall in Chicago. On today's "A Day in the Life," we learn why Mary Travers of "Peter, Paul, and Mary" credits The Weavers with the very existence of her group and we learn what happens to a group when its two founding members, Pete Seeger and Lee Hays are accused of being Communists.