Morgensterns Diary Service, established by Julian Morgenstern in 1983, is more than a simple musicians answering service, and more than a simple musicians diary service. Morgensterns is a booking agency for orchestral and session musicians, with the special advantages of an outstanding client list and an expert teleteam who actively seek work for clients through our unique suite of fixer support services, our availability list service, who's doing my date list service and through our finely tuned, instantly responsive computerised diary management systems.