Les Swingle Singers

This is the original French group. For the British group after 1973, see Swingle II and its aliases.
Originally a French vocal group, founded in 1962 by Swingle II with an expanded repertoire.
The original double-quartet:
Alto: Alice Herald, Anne Germain; Soprano: Christiane Legrand, Jeanette Baucomont; Tenor: Claude Germain, Ward Swingle (Arranger); Bass: Jean Cussac, José Germain