This is a revised version of the introductory and conclusive part of the Charles Seeger Memorial Lecture, presented 7 November 1987 at the Thirty-Second Annual Meeting of the Society for Ethnomusicology, at the Rackham School for Graduate Studies, University of Michigan, Ann Arbor. The main part of the Lecture was the American Premiere of the film Yootzing and Yodelling, and the World Premiere of Head Voice, Chest Voice. Parts of the additional text printed in small letters have been read in an earlier version at the 1st International Workshop on Visual Anthropology, organized in Marseille, 1-4 June 1987 by the Institut Mediterraneen de Recherche et de Creation, under the auspices of the "Commission on Visual Anthropology" of the International Union of Anthropological and Ethnological Sciences.