Category Events - United States, Olney (MD) Rock the Fountain Family Concert featuring The Sandra Dean Band http://sandradeanband.com/ Join us for music and fun near the fountain! Rock the Fountain Kids' Concerts will be held every Tuesday @ 10:30am in May, June & July. Rock the Fountain Family Concerts will be held every Thursday @ 6pm in June, July & August. *Schedule subject to change without notice. Weather cancellations will be posted on the Fair Hill Facebook page.