video director, Hans Hadulla ; produced by Bernhard Fleischer ; a production of Bernhard Fleischer Moving Images, in co-production with ZDF, Arte, Sony Classical
a production of Thirteen in association with WNET, Boston Symphony Orchestra, Inc., C Major Entertainment, ZDF ; in co-production with ARTE, Unitel Classica ; directed by William Cosel ; produced by Mitch Owgang, Richard R. Schilling, John Walker