Phyllis And Helen Duncan Are Duncan Sisters – They Are Known For Their Work With Canadian Disco Producers Willi Morrison And Ian Guenther – On Projects Sticky Fingers THP Orchestra #2 And Their 1979 Self-Titled Album. “Sadness In My Eye” Was The First Big Hit From The Project With The Second Single “Boys Will Be Boys” Following. Another Great Disco Production With The Full Disco-Orchestration And Arrangement Which THP Two Hats Productions Were Known For.