STRING ME UP | Ten years after founding a group on a bedrock of high-energy Québecois folk, LE VENT DU NORD are partnering with the Portland Symphony Orchestra and Québec Symphony Orchestra for a large-scale symphonic concert performed sometime this spring. Tonight, however, the four-piece offer a conventional set, with originals and traditionals at One Longfellow Square. 8 pm. $27-32. 181 State St., 207.761.1757.