Billy B! The Natural Science Song and Dance Man at CSM. April 4, 9:45 a.m., 11 a.m., College of Southern Maryland, La Plata Campus, Fine Arts Building, 8730 Mitchell Road, La Plata. The Zany Billy B will perform on the CSM stage singing and celebrating earths natural wonders. Pre-school performance at 9:45 a.m. followed by a performance for elementary students at 11 a.m. $5. 301-934-7828, 240-725-5499, 443-550-6199, 301-870-2309, Ext. 7828 or BxOffc@csmd.edu. www.csmd.edu/Finearts.