By Cinthia Rodriguez &ndash; El Observador &amp;#160; Pop, rock, piano, and singer-songwriter are the five words Francisca Valenzuela used to describe her music during a recent interview with El Observador. She just released her second album &ldquo;Buen Soldado,&rdquo; and fully explained the process behind it. &ldquo;It&rsquo;s kind of like siting down and saying what do [...]