Cathryn Antoinette "Toni" Tennille (born May 8, 1940) is an American singer-songwriter and keyboardist, best known as one-half of the 1970s duo Captain & Tennille with her husband Daryl Dragon; their signature song being "Love Will Keep Us Together".Tennille has also done musical work independently of her husband, including solo albums and session work. Tennille has a contralto vocal range.