Winter Guard International (WGI), founded in 1977 by, is a non-profit organization that functions as the governing body of the winter guard and winter percussion activities.
Winter Guard International (WGI) is a non-profit organization that functions as the governing body of the winter guard. Winter Guard International (WGI) is a non-profit organization that functions as the governing body of winter percussion activities. Winter Guard International (WGI) is founded in 1977 by.