William Walker
...that in eighteen years, baritone William Walker performed over 360 times at New York's Metropolitan Opera?
...that in eighteen years, <a href="./Baritone" id="mwC14" rel="mw:WikiLink" title="Baritone">baritone</a> <b id="mwC18"><a href="./William_Walker_(baritone)" id="mwC2A" rel="mw:WikiLink" title="William Walker (baritone)">William Walker</a></b> performed over 360<span id="mwC2E" typeof="mw:Entity"> </span>times at <a href="./New_York_City" id="mwC2I" rel="mw:WikiLink" title="New York City">New York's</a> <a href="./Metropolitan_Opera" id="mwC2M" rel="mw:WikiLink" title="Metropolitan Opera">Metropolitan Opera</a>?