“Bring me a dream, Mr. Sandman. Make him the most adorable thing I’ve ever seen.” It’s 1958. Eisenhower is president, rock & roll is taking shape, and yet the Chordettes are stealing the spotlight with their sweet, unmistakable harmonies. Their a cappella hits “Mr. Sandman” and “Lollipop” made the quartet—Janet, Alice, Lynn, and Jinny—radio sensations across America.

In this charming live TV performance, the Chordettes display the precision that made them unforgettable. Remember all those playful “bum-bum-bums” in the song? What many don’t realize is that each woman sings a single..