Members: Pam Withee, Bonnie Holmes, Diane Withee, Shirley Dillon

The Significant Other were from Maine and were comprised of Shirley Dillon (vocals and guiltar), Bonnie Holmes (vocals and keyboards), Diane Withee (bass), and Pam Withee (drums). Holmes and Withee were from Swan's Island. They released one single, "What is the Reason?" b/w "Ode to Carabassett Fats" in 1967 on Critique Records, a tiny label owned by their manager Carl Strube. They performed shows in Maine, New Hampshire, New Jersey, Ohio, Pennsylvania, and West Virginia, opening for the likes of 1910 Fruitgum Company, Ohio Express, Strawberry Alarm Clock, and Vanilla Fudge.