Celtic, Maritime & Americana. Charlie Zahm is one of the most popular soloists at Celtic music festivals, Maritime, and American Traditional music events anywhere east of the Mississippi. Opening for Charlie at 3:30 pm, will be The Harford Highlanders Pipe Band, which is based in Bel Air, Harford County, Maryland. Bring a chair, a blanket, a picnic and enjoy an evening of great music. For more information about our Summer Concert Series, including admission information, please click here for our flyer.‍ For more information about the Charlie Zahm, visit his website here.