The Secrets of Medieval Organs

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

http://www.medievalists.net/2014/02/03/in-search-of-the-secrets-of-medieval-organs/

In Search of the Secrets of Medieval Organs - Medievalists.net

medievalists.net

On Friday and Saturday, June 9 and 10, 2012, a concert and workshop focusing on the medieval organ were held at the Basel (Switzerland) Peterskirche. They dealt with concepts, designs, rep- ertoire and the medieval organ used in ensemble.