in the main hall. The hundreds of volunteer musicians, singers, dance callers, leaders and dance-demonstration performers are primarily from New England and every year a number arrive from more distant parts of North America. The performers apply in the fall, and the program is announced in the spring. The NEFFA association In addition to the annual spring festival, NEFFA conducts the weekly Thursday Night Contra dance, formerly in Cambridge and as of 2006, held at the Concord Scout House. The dance is nationally known in the contra dance community for its vibrancy and popularity. NEFFA also conducts a separate annual winter festival called the Ralph Page Dance Legacy Weekend, in honor of one of the organization's founders, to promote understanding of the history and development of traditional Anglo-American dance forms in New England, especially contra dance and square dance. NEFFA has also published influential books about traditional dance and choreography. NEFFA is an affiliate of the Country Dance and Song Society. See also Flurry Festival, a similar festival held in upstate New York Social dance Contra dance Folk dance International folk dance Folk music Shape note songs Zwiefacher Notes External links The Ralph Page Collection (Brief biography of NEFFA co-founder and influential caller Ralph Page.) University of New Hampshire Library Special Collections: New Hampshire Library of Traditional Music & Dance. Photographs from the 2007 Mansfield MA festival by Doug Plummer of Seattle. Folk festivals in the United States Festivals in Boston Social dance Square dance Contra dance