Mary MacGregor is an American singer. She is best known for singing the 1976 song "Torn Between Two Lovers", which topped the Billboard charts for two weeks.

Peter Yarrow is an American singer and songwriter who found fame as a member of the 1960s folk trio Peter, Paul and Mary. Yarrow co-wrote one of the group's best known hits, "Puff, the Magic Dragon". He is also a political activist and has supported causes that range from opposition to the Vietnam War to school anti-bullying programs. Yarrow was convicted in 1970 of molesting a 14-year-old girl, for which he was pardoned in 1981 by President Jimmy Carter.