THE BEACH MUSIC AND SHAG PRESERVATION SOCIETY OF SOUTH CAROLINA IS A NON PROFIT , TAX EXEMPT, ELEEMOSYNARY CORPORATION , ORGANIZED TO PROMOTE , PRESERVE, AND PERPETUATE THE STATE DANCE "THE SHAG", AND THE STATE'S MOST POPULAR MUSIC "BEACH MUSIC" AND THE HISTORY OF IT.
The Charleston Beach Music and Shag Festival is August 28-29, 2010 .