High Quality Content by WIKIPEDIA articles! The New England Folk Festival is an annual weekend festival of traditional dance and music. It takes place in the Boston, Massachusetts region each spring. It is conducted by the New England Folk Festival Association. Both the festival and the association are colloquially known by the abbreviation NEFFA. NEFFA is a participatory festival; attendees are encouraged to participate in dancing, singing, musical jam sessions, and other activities. It is run by volunteers and all the performers are volunteers as well.