- Christiane Spieth-Weissenbacher
- , revised by Jean Gribenski
(b Paris, Oct 7, 1906; d Paris, March 13, 1993). French musicologist and librarian. She studied musicology with André Pirro and Paul-Marie Masson at the Sorbonne, counterpoint and fugue with Marcel Caussade and the organ with Dupré at the Paris Conservatoire (also with André Marchal and Gaston Litaize) and qualified as a teacher at the Ecole Normale de Musique in 1936. Subsequently she was a librarian at the Bibliothèque Nationale for over 30 years (1939–71), including seven (1960–67) when she was seconded to the CNRS; she was also organist at Notre Dame de Lorette, Paris (from 1943), and a lecturer at the musicology institute of the University of Paris (from 1970).
Launay's research, informed by her experience as a librarian and organist, was concerned with the 17th and 18th centuries in France, especially sacred music. She produced several editions of French music both sacred (for example works by Du Caurroy, Courbes, Mauduit, Formé, Péchon, Du Mont, Bouzignac, Charpentier, Gaillard and Moulinié) and secular (court airs by Boësset). These complement her writings, the most important of which is ...