The International Musicological Society (IMS) was founded in 1927 in Basel, where it has its headquarters. It is a member of the Conseil International de la Philosophie et des Sciences Humaines (CIPSH), a branch organization of the UNESCO. Its purpose is the ad­vance­ment of musicological research on the basis of international cooperation. Membership in the IMS is open to all interested in musicological research, individuals as well as institutions, libraries and organisations.