Feliz Navidad? More like Fiesta Navidad! The Dallas Symphony Orchestra partners with the Grammy Award-winning Mariachi Los Camperos de Nati Cano for a Mexican/American holiday ensemble on December 6th and we have a pair of tickets to giveaway. Get your Santa hat, or your Sombrero, ready and answer the question in the form below: Which president did founder Nati Cano perform for at the White House? We’ll pick a winner after 3pm.