Margrethe Blossom Dearie was an American jazz singer and pianist. She had a recognizably light and girlish voice. Dearie performed regular engagements in London and New York City over many years and collaborated with many musicians, including Johnny Mercer, Miles Davis, Jack Segal, Johnny Mandel, Duncan Lamont, Bob Dorough, Dave Frishberg, and Jay Berliner.

Robert Lrod Dorough was an American bebop and cool jazz vocalist, pianist, composer, songwriter, arranger, and producer. Dorough became famous as the composer and performer of songs in the TV series Schoolhouse Rock!, as well as for his work with Miles Davis, Blossom Dearie, and others.