The Poppy Family was a Canadian folk music group formed in 1966. Primarily composed of Terry Jacks and Susan Jacks, they were known for their blend of psychedelic pop and soft, folk-oriented sound. Their most significant contribution to music history is the international hit "Which Way You Goin' Billy?", which topped the charts in 1969. The Poppy Family's distinctive sound, characterized by Susan's ethereal vocals and Terry's innovative production, had a profound influence on the folk-pop genre.