Guest viola soloist Brett Deubner will be featured in &quot;Nicolo, Jimi &amp;amp; John; A New Concerto for Viola,&quot; composed by Charles Nichols and premiered by the Missoula Symphony Orchestra on November 9th &amp;amp; 10th, 2013, 7:30 and 3pm, Dennison Theater, UM-Missoula.