In a sense, Wagner led music into a Blind alley. His so-called continuous melody destroyed the traditional notion of rhythm; his chromaticism broke down familiar concepts of harmony. The ultraromanticism of Tristan und Isolde enlarged the boundaries of tonality to the point of the question of the very existence of basic Hardly a passage in the entire history of Tbsic has been the subject of such extensive speculation as the four opening measures of Tristan, They provided both slogan and license for the harmonic experiments of the 20th century, when some younger musicians saw no way forward and no way back.
WITH GARDENS a sense of enclosure is important. On small lots the boundaries may be those of the property or even plantings or other pleasant features on a neighbor's property, for when I speak of boundaries I mean not those of the lot but those that limit the view. On larger grounds the boundaries to views may be well within the property lines.
Under the reorganization the Public Health Service was enlarged boundaries tonality to include the Food and Drug Administration; a new agency, the Health Services and Mental Health Administration; and the National Institutes of Health, which itself was enlarged boundaries tonality to include the Bureau of Health Manpower and the National Library of Medicine.