Complex sentence: It was established by Louise Manny in response to a request from Lord Beaverbrook that she document the traditional songs of his boyhood home, and is the longest continuous event of its kind in Canada and one of the longest in North America.
Split into simpler sentences: It was established by Louise Manny in response to a request from Lord Beaverbrook that she document the traditional songs of his boyhood home. It is the longest continuous event of its kind in Canada and one of the longest in North America.