Serge Koussevitzky, conductor of the Boston Symphony Orchestra from 1924-1949, had, throughout his career, a reputation as a champion of modern music. The anticipation of his arrival in Boston in 1924 sparked a great deal of public debate about his reported modernism which the critics reflected and contributed to. This thesis analyzes the critical reaction, preserved in scrapbooks of newspaper clippings at Symphony Hall, Boston, to Koussevitzky's programming of contemporary music during his first five years with the BSO.

The comparison of structural and formal traits in the concert grossi of Corelli's Opus VI and Vivaldi's Opus III will proceed in the following manner: first, the cycle as a whole will be taken up; next, the individual movements will be considered. Finally, in each instance of comparison, Corelli's music will be dealt with first.

The three respond motets from Matins for the Dead by Robert Parsons constitute an important part of the sacred Latin repertory of mid-sixteenth-century England, illustrating central features of the English mid-century style. Although he worked within a conservative musical tradition, Parsons experimented with that tradition in personal and individual ways. Specifically his modal and thematic construction as well as his practice of musica ficta are singled out for closer analysis. Consequently, a methodology for editorial decisions concerning musica ficta is developed. Two special problems, the simultaneous cross-relation and diminished fourth, are shown as the result of normative polyphonic processes and vertical structures.

This investigation surveys pertinent literature, from 1917 to 1982 inclusive, regarding artistic vibrato and tremolo in singing. The contents are subdivided into individual investigative reports by various vocal researchers. Due to mounting confusion within the amassed literature, the need for systematic organization and evaluation is evident. Misunderstandings within the context of the literature and misnomers within the terminology require clarification and resolution. The evaluation intends to produce a proper perspective on vibrato and tremolo, eradicating some of the confusion surrounding the terms. Artistic vibrato is recognized as a desirable component in Western vocal music. In contrast, tremolo is deemed a deviant vibrato, i.e., a vibrato which deviates from artistic norms. The study attempts to clarify the distinguishing traits of these two vocal phenomena.

It is the purpose of this thesis to present a study of music written for the clarinet during the period from 1600 to 1800. The first part is a history of the clarinet showing the stages of development of the instrument from its early predecessors to its present form. Part one also explains the acoustics of the clarinet and its actual invention. The second part deals with composers and their music for the clarinet. No attempt is made to include all music written for the instrument during the prescribed period; rather, the writer's intention is to include chiefly those works by composers whose musics has proven to be outstanding in clarinet literature or interesting historically. The order in which the works themselves are taken up is chronological, by composers, with comment on their styles as to form, harmonic content, melodic content, rhythmic content, problems in phrasing, or any other general technical problem. All of these elements are illustrated with examples taken from the music.

The selected works by the composers studied in this thesis might well stand as illustrative of the normal development of the use of the bass trombone near the close of the nineteenth century. Although notable progress was made by the cited composers in increasing the bass trombone's usefulness in the orchestra, each composer also continued to use the bass trombone as it had been used in previous years, such as in doubling bass parts, harmonic backgrounds, and for strong rhythmic punctuations.

The San Juan Ixcoi Mass is part of the San Miguel Acatan Repertory which was found in the northwestern highlands of Guatemala before being purchased by the Lilly Library at Indiana University. Even though the authorship and date of the mass cannot be established, the mass is similar to works from the Josquin generation. Not discounting the few transcription difficulties as well as isolated compositional weaknesses, the San Juan Ixcoi Mass demonstrates the reasonably high quality of music that was performed and even possibly composed in northwestern Guatemala three centuries ago. A modern performance edition of the mass complete with critical notes and commentary on the transcription is included within the thesis.

The purpose of this thesis is to show the development of the trombone, in form and music, and its use in the orchestra through the times of Beethoven and Schubert. Since very little material has been presented concerning the history of the trombone, it is hoped that the illustrations and explanations contained herein will be a contribution toward a representation of music from different composers and periods. The music covered gives a picture of the use of the trombone from the Renaissance through to the beginning of the Romantic Period. The results of this study are presented in three main sections: (1) The history of the trombone in the Renaissance; (2) The history of the trombone in the Baroque; (3) The history of the trombone in the Classical Period, and up to the time of Schubert.

In music, the term verismo usually refers to a realistic or naturalistic movement in Italian operas of the late nineteenth century. From the dawn of Italian opera four features have been manifested--umanita (humanism), sincerity (sincerity), passione (passion), effetto (not only theatrical effect but the supreme dramatic moment). The elements of verismo are among the characteristics present in the operas of Giuseppe Verdi where they reached a zenith of development. It is upon these veristic aspects, as identified in the second chapter, that the operas Cavalleria Rusticana and Pagliacci were based. Rigoletto, Il Trovatore, and La Traviata richly exhibit these elements of verismo which have been identified in the fourth chapter.

The purpose of this thesis is to discuss the changes and developments of the accompanied solo song throughout the fifteenth and sixteenth centuries, including instrument usage and song types.

The present investigation deals with the cantatas of Dietrich Buxtehude written for three voice parts with instrumental accompaniment. An examination of the various musical forms which Buxtehude employed in these cantatas will comprise one of the two areas in this study. The other area shall be concerned with Buxtehude's usage of word painting (i.e., musical portrayal of word meanings). Before entering an investigation of Buxtehude's music, his life and background should be considered.

Benjamin Keach (1640-1704) was a seventeenth-century preacher and hymn writer. He is considered responsible for the introduction and continued use of hymns, as distinct from psalms and paraphrases, in the English Nonconformist churches in the late seventeenth century, and is remembered as the provider of a well-rounded body of hymns for congregational worship. This thesis reviews the historical climate of seventeenth-century England, and discusses Keach's life in terms of that background. Keach's influence on congregational hymn singing, hymn writers, preaching, and education is also examined. Keach's writings and contributions to hymn singing are little known today. This thesis points out the significance of these writings and hymns to seventeenth-century religious life.

This study provides commentary on Mizler's Dissertatio and Anfangs-Gründe des General Basses. Chapter V is an annotated guide to his Neu eröffnete musikalische Bibliothek, one of the earliest German music periodicals. Translations of Mizler's biography in Mattheson's Grundlage einer Ehrenpforte and selected passages of Mizler's Der musikalischer Staarstecher contribute a sampling of the critical polemics among Mizler, Mattheson, and Scheibe. As a proponent of the Aufklärung, Mizler was influenced by Leibnitz, Thomasius, and Wolff. Though his attempts to apply mechanistic principles to music were rejected during his time, his founding of a society of musical sciences, which included J. S. Bach, Telemann, Handel, and C. H. Graun as members, and his efforts to establish music as a scholarly discipline deserve recognition.