Current Musicology

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	previous \| next number 21/ spring 1976 Edited by Richard Koprowski

	REPORTS From the Foreign Corresponding Editors: Charles D. Wolterink Stanford University: The Center for Computer Research in Music and Acoustics Martha D. Minor University of Kansas: Radio Programs of Early American Keyboard Music Edward R. Rutschman University of Washington: The Microfilm Collection of 17th- and Early 18th-Century Manuscript Opera Scores and Libretti SPECIAL PROJECTS A Bibliography of Early Organum Calvin M. Bower Introduction James R. Briscoe The Current State of Research into the Practical Sources of Early Polyphony Dean Doublas File A Bibliography of Research in Pre-Notre Dame Organum: The Theoretical Sources Judith Fisher Literature Concerning Possible Secular Origins of Sacred Polyphony Ross W. Ellison A Comparative Study of the Presentation of Early Polyphony in Selected Music Textbooks, Handbooks, and Surveys Laura DeMarco, Joseph Sullivan, and Staff Grants in Musicology for Graduate Students		ARTICLES William Hutchinson Systematic Musicology Reconsidered James C. Kidd Wit and Humor in Tonal Syntax Richard Taruskin Settling an Old Score: A Note on Contrafactum in Issac's Lorenzo Lament Publications Received Contributors