Musical trio and recording act EVA – musicians/vocalists Hannah Read, Liz Simmons and Nicole Zuraitis – will perform a concert of traditional and contemporary folk music at 7:30 p.m. March 4 at the Firehouse Theatre at LHUCA, 511 Ave. K. Three-part vocal harmonies are heard over guitar, piano and percussion. Voices have roots in Scotland, Ireland, England and the United States.