&ldquo;Fifteen bucks but it&rsquo;s totally worth it&mdash;Big Gigantic is here!&rdquo; sounds a voice from the crowd of people gathered outside Uptown&rsquo;s Kinetic Playground. Such unbridled enthusiasm doesn&rsquo;t come as much of a surprise. Big&nbsp;Gigantic, an electronica/hip-hop duo from Boulder, Colorado, has managed to amass quite a Chicago following. &ldquo;Last time we played Chicago,&rdquo; shares drummer [...]