On Friday, Oct. 18, 5 to 7 p.m., King Bullfrog will be at Hill Center, 921 Pennsylvania Ave. SE., with high-energy original, folk and blues songs carefully tailored to get children dancing and delight grownups. Complimentary pizza served. $10 per child in advance; $12, day-of; $5 per adult. Beer and wine, $5; juice boxes, $1; and you can bring your own water. Pizza is provided, but donations to offset the cost appreciated. Register at hillcenterdc.org.