Tesoro is a violin (Gina Guidarelli) and guitar (Billy Kaiser) jazz duo. Tesoro specializes in gypsy jazz and jazz standards, as well as Pop, Latin, Celtic and classical. The duo is based is Charleston, SC and dresses in period attire to add to their authentic vintage jazz sound. Tesoro performs the Charleston area as well as throughout the southeastern United States, including Savannah, GA; Tampa, FL; Raleigh/Durham/Chapel Hill, NC; Myrtle Beach; Wilmington, NC and the Outer Banks. They perform in popular restaurants and other venues, for public and private events and have made radio appearances and local news features.