&gt;&quot;<i>He was an enthusiastic musician, though exactly which was his instrument is a subject of some dispute (the most likely candidates are the accordion, jew&#x27;s harp, and flugelhorn).</i>&quot;<p>It seems the author missed or forgot the legendary pipe organ.<p><a href="http:&#x2F;&#x2F;www-cs-faculty.stanford.edu&#x2F;~uno&#x2F;organ.html" rel="nofollow">http:&#x2F;&#x2F;www-cs-faculty.stanford.edu&#x2F;~uno&#x2F;organ.html</a>