Registration is now open for our 50th anniversary sing-out of all 13 operettas over Labor Day weekend at 51 Walden Street in Concord, MA. Participants will be able to request roles and conducting and accompanying opportunities -- or sing chorus for all or part of the weekend. The detailed schedule and answers to some frequently asked questions are available on the NEGASS 50th Annivesary event page. Please email This email address is being protected from spambots. You need JavaScript enabled to view it. with any questions or to volunteer.