Note: Wattages are estimates only. Actual power draw may differ from listed values. Pianist Mitsuko Uchida, one of the greatest Mozart interpreters of our time, shares a long-term collaboration with Mahler Chamber Orchestra, focused on that composer’s piano concertos. Uchida leads the orchestra from the keyboard. So what makes this keyboard stand out from everything else, other than its killer looks? Well, in addition to it being sleek and black,…