Picking the right presidential candidate can be tricky in the best of times. Just in time for early voting this month, however, comes something everyone can get behind: music. Georgia College’s updated and improved Trax on the Trail website is a serious study of the science of music and political strategy. Songs on the campaign trail often evoke nostalgia, even lightheartedness. They boost a candidate or poke fun, halt indecisiveness and influence voters. Music can also bring people...