a production of the National Museum of American Art, Smithsonian Institution in association with ZGS Communications, Inc. ; executive producers, Andrew Conners ... [and others] ; producer, Shellee Haynesworth ; director, Elizabeth Brown
World Art Films, Inc. ; executive producer, Joseph Elder ; written and directed by Ron Hess, Raymond Lee Owens, Cheryl Groff ; produced by Raymond Lee Owens ; associate producer Naomi Owens
Encyclopaedia Britannica Educational Corporation ; a production for the Open University ; BBC ; in association with Penn State, Division of Media and Learning Resources ; produced by Rissa De La Paz
World Music Institute ; The Threshold Society ; with the Mevlevi Ensemble of the Mevlana Culture and Art Foundation ; video production and editing, Penny Ward
produced by National Center for Education Statistics ; Gerald Malitz, executive producer ; Therese Allen, producer ; Paul Reeves, director ; Leon Cobb, editor
a NOVA production by the New York Times/Granada Factuals USA and Lone Wolf Pictures, Inc., for WGBH/Boston in association with Channel 4 ; directed by Kirk Wolfinger ; produced & written by Matthew Collins