Janet Williams is an American soprano who has won international critical acclaim for performances at the Metropolitan Opera, etc, with conductors including which  internationally recognized solo pianist, chamber music performer, and conductor?
Janet Williams (soprano): Janet Williams is an American soprano who has won international critical acclaim for performances at the Metropolitan Opera, Berlin Staatsoper, Paris Opera, Théâtre des Champs-Élysées, Opera de Lyon, Nice Opera, Théâtre Royal de la Monnaie, Opera Geneva, Frankfurt Opera, Cologne Opera, Leipzig Opera, San Francisco Opera, Washington Opera, Dallas Opera, and Michigan Opera Theatre as well as in concerts throughout Europe, North America, Canada, Israel and Japan with conductors including Vladimir Ashkenazy, Daniel Barenboim, Myung-whun Chung, Philippe Herreweghe, René Jacobs, Marek Janowski, Neeme Järvi, Raymond Leppard, Fabio Luisi, Sir Neville Marriner, Nicholas McGegan, Zubin Mehta, Kent Nagano, John Nelson, Donald Runnicles, Gerard Schwarz and Michael Tilson Thomas. Vladimir Ashkenazy: Vladimir Davidovich Ashkenazy (Russian: Влади́мир Дави́дович Ашкена́зи , "Vladimir Davidovich Ashkenazi"; born 6 July 1937) is an internationally recognized solo pianist, chamber music performer, and conductor.
Vladimir Davidovich Ashkenazy