Need a little romance before Valentine’s Day? Summerville Community Orchestra has just the thing – an evening of classical hits from Massenet Le Cid to Hue Fantasia to Mama Mia Medley, all directed by Alexander Agrest, an active chamber musician in the Lowcountry since 1991.  Northwood Baptist Church, 2200 Greenridge Rd., North Charleston. Thursday, 7:30pm. Summerville Baptist Church, 417 Central Ave., Summerville. Friday, 7:30pm. $10; free for child under 18. (843)873-5339, www.summervilleorchestra.com