Run of the Mill String Band plays the tunes while Shane Knudsen calls the figures as the Baltimore Folk Music Society presents American Square and Contra Dancing on the 2nd Saturday of April running from 8:00 'till 11:00 pm, with a short break in the middle. There is a beginners' workshop that begins at 7:30 and the dance begins at 8:00. Bring a snack and bring a friend.