geometries for orchestra

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Louisiana State University LSU Digital Commons LSU Historical Dissertations and eses Graduate School 1978 Geometries for Orchestra. William Ronald Clemmons Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: hps://digitalcommons.lsu.edu/gradschool_disstheses Part of the Music Commons is Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and eses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. Recommended Citation Clemmons, William Ronald, "Geometries for Orchestra." (1978). LSU Historical Dissertations and eses. 8165. hps://digitalcommons.lsu.edu/gradschool_disstheses/8165

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Page 1: Geometries for Orchestra

Louisiana State UniversityLSU Digital Commons

LSU Historical Dissertations and Theses Graduate School

1978

Geometries for Orchestra.William Ronald ClemmonsLouisiana State University and Agricultural & Mechanical College

Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses

Part of the Music Commons

This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion inLSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please [email protected].

Recommended CitationClemmons, William Ronald, "Geometries for Orchestra." (1978). LSU Historical Dissertations and Theses. 8165.https://digitalcommons.lsu.edu/gradschool_disstheses/8165

Page 2: Geometries for Orchestra

GEOMETRIES FOR ORCHESTRA

A Dissertation

Submitted to the Graduaxe Faculty of the Louisiana State University and

Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of

Doctor of Musical Artsin

The School of Music

William Ronald Clemmons B.M., University of Alabama, 1968 M,M., University of Alabama, 197^

December, ±978

Page 3: Geometries for Orchestra

UMI Number: DP69552

All rights reserved

INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted.

In the unlikely event that the author did not send a complete manuscript and there are missing pages, these will be noted. Also, if material had to be removed,

a note will indicate the deletion.

UM IDissertation Publishing

UMI DP69552

Published by ProQuest LLC (2015). Copyright in the Dissertation held by the Author.

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Page 4: Geometries for Orchestra

MANUSCRIPT THESES Unpublished theses submitted for the Master's and Doctor's

Degrees and deposited in the Louisiana State University Library are available for inspection. Use of any thesis is limited by the rights of the author. Bibliographical references may be noted, but passages may not be copied unless the author has

given permission. Credit must be given in subsequent written or published work.

A Library which borrows this thesis for use by its clientele

is expected to make sure that the borrower is aware of the above

restrictions.LOUISIANA STATE UNIVERSITY LIBRARY

Page 5: Geometries for Orchestra

TABLE OF CONTENTS

LIST OF T A B L E S ........................................ iiiABS TRAC T ...................................... i vGEOMETRIES FOR ORCHESTRA ........................... viGEOMETRIES FOR ORCHESTRA ........................... 1B I B L I O G R A P H Y ........................................ 32V I T A ................................................. 33

ii

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LIST OF TABLES

1. Special Symbols and Abbreviations ............. xvi2 . Instrumentation « . . . . „ . xix

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ABSTRACT

Geometries for Orchestra consists of a composition for full orchestra (with augmented percussion section) together with an analytical commentary in the form of a mono graph.

The composition itself, which has a total duration of twelve minutes, is divided into three movements of four, five, and three minutes, respectively. The written score employs a notational technique in which the duration and sequence of individual events are represented on the page by the relative position of symbols within a segment of specified duration. The temporal dimensions of structural units are governed by the proportions of the Fibonacci series and related proportional concepts,

The principal shaping forces in the composition, those which are most significant in delimiting structural units, are timbre and texture. Timbre is controlled through the choice of specific combinations of instruments and playing techniques, and texture is controlled by the selection of various degrees of density, activity, and pitch definition.

The specific pitch content of individual sounds,

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though less significant structurally than timbre and tex­ture, is controlled by relation to an eight-tone pitch set. This set is generated, through a process of interval multiplication, from the same proportions which govern temporal relationships. Surface details project similar proportional concepts in a variety of ways.

In the compositional process, the composer has accepted both traditional and nontraditional elements as potentially valid ingredients for a musical work. Partic­ular events have been selected according to their inherent interest as sounds and their ability to assist in the delineation of the structural framework. As a further constraint in the selection of elements for this work, the composer has chosen to employ a frame of reference based on certain analogies between musical and geometrical concepts (such as "lines," "shapes," and "proportions").

The monograph provides a detailed discussion of the concepts and techniques outlined above, and cites examples from the musical work. Also included are brief discussions concerning the significance of discipline in the composi­tional approach, and the relationship of the written score to live performance. The monograph concludes with sugges­tions on conducting the work and tables of special nota­tional symbols and instrumentation.

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GEOMETRIES FOR ORCHESTRA

Geometries for Orchestra was composed between June 1977 and June 1978 in Birmingham, Alabama. In conceiving, refining, and organizing the sound materials in this piece, the composer has been guided by three a priori assumptions:(1) structural relationships within a composition may be made clear by means other than the traditional thematic and harmonic associations, although these need not be eliminated, (2) surface details of a composition may consist of sonic complexes which have little relation to familiar melodic or chordal successions, though, once again, the latter need not be rejected, and (3) any particular sound event has potential aesthetic value to the extent that it contributes to the whole of the composition through some combination of its inherent interest as a sound and its capacity to assist in the delineation of the structure of the work.

The term "geometries" in the title of the work is intended to suggest certain analogies between aural percep­tions of the sonic and temporal dimensions of the musical substance and visual (or tactile) perceptions of the spacial dimensions of geometric constructs (viz., "lines," "shapes," and "proportions"). In this composition such

vi

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analogies have often served as a source of musical ideas, and, in several cases, the details of particular sound events have crystallized as a direct result of the process of working out a "geometry" for the notation on the page of score.

The composition divides into three movements which are to be played without pause. Each movement utilizes different portions of the orchestra: first movement-- strings, second movement— percussion and winds, and third movement— various combinations of instruments within the entire orchestra.

The total duration of the piece is twelve minutes;the durations of the three movements are in the proportions4-: 5*. 3, respectively. These proportions derive from the

2 2 2Pythagorean theorem (c = a + b ), where "a" and "b" are the legs of a right triangle and "c" is the hypotenuse.In the composition, "a" corresponds to the duration of the opening movement, "b" corresponds to the duration of the final movement, and "c" corresponds to the duration of the middle movement.

Each movement is made up of segments (the musical material notated between two numbered bar lines in the score). The duration (in seconds) for each segment is indicated below the score system, and the circled numbers at each bar line show the elapsed time for the movement to that point. These segments first appear in durational

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units which reflect the proportions of the' Fibonacci series (.•.3:5 18* 13•21...). In this series the sum (or difference) of two adjacent members gives the next larger (or smaller) value. This series approximates (to the nearest whole number) the proportions of the golden sec­tion, where segment "a" is to segment "b" as segment "b" is to the sum of segments "a" and "b" [a:b = b: (a + b)]. (Note that the ratio 3*5 is common to both the Pythagorean and Fibonacci sets, and the the of the Pythagorean set isrelated as 1:2, the simplest whole number ratio, to the "8” of the Fibonacci series). Following initial presen­tation, durational units which follow the proportions of the Fibonacci series become free to return in new orders and to combine with units of other durations which have been determined by that series. Thus, for example, a seg­ment with a duration of eleven seconds would result if units of three and eight seconds were combined.

As mentioned above, the assignment of specific instrumental groups serves to delineate the three move­ments. The delineation of segments (or sections in which several segments combine to make a larger structure) is accomplished principally through changes in timbre (including selection of instrumental subgroups and playing techniques), and texture (including control of density, degree of activity, and degree of pitch definition). Such delineation is, at times, sharply defined by a sudden shift

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in the character of the sound (e.g., segment thirteen of the third movement). At other times, the transition is progressive, as prominent features of one section are gradually overcome by the prominent features of the fol­lowing section (e.g., segment eighty-three of the second movement). Such progressive changes may he contained within a single durational segment (as in the previous example), or they may evolve over two or more segments and, in effect, combine them into a larger structural unit (e.go, from the beginning of the first movement through the end of segment seventy-seven).

Of the several timbral and textural structural delimiters mentioned above (instrumentation, density, etc.), the treatment and function of pitch definition is perhaps most distant from conventional techniques. Throughout the composition the degree of pitch definition (the extent to which any definite pitch, or the specific pitch content of any sonority may be aurally perceived with a high degree of accuracy) is at least as significant as any set of particular pitches which may be present.

The degree of pitch definition operates in a con­tinuum from indefinite pitch ("noise”), through semi- definite pitch (sounds which include a high proportion of "noise" along with a perceptible definite pitch component), through partially or wholly indeterminate pitch (sounds with definite, but continuously changing or unspecified

ix

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pitch content), to definite pitch. Sounds of indefinite pitch, for example, include tapping on the body of various instruments, rattling of valves, and striking percussion instruments such as the snare drum. Sounds of semi- definite pitch include tapping the strings of an instrument with the wood of the how, and striking percussion instru­ments such as the temple blocks. Indeterminate pitch is produced through such devices as glissando and indications which call for the highest possible note to be played. Definite pitches comprise systematically structured sonor­ities of varying complexity: unisons, chords, and clusters.

The contours of both large and small sections of the composition are at least partially the result of con­trolled progressions through (or sudden shifts between) various levels in the pitch definition continuum. The first movement, for example, is essentially an arch form in which the music progresses from, and ultimately returns to sounds of indefinite pitch. Sonorities of definite pitch serve as the focus of the middle of this movement.

In the second movement, where the sections are clearly marked by changes in instrumentation, a secondary pattern, based on the concepts of pitch definition, con­trols the class of sounds to be presented by each instru­mental group at each entrance. Throughout the movement the percussion instruments move toward increasingly definite pitch. At each entrance the woodwinds and brass,

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which are consistently treated as separate choirs, present material in one of three modes: (1) sounds of indefinite pitch— tapping, rattling, clicking, blowing, etc. (e.g., woodwinds at segment 72 and brass at segment 153),(2) detached points of sound with definite pitch (e.g., woodwinds at segment 109 and brass at segment 282), and(3) sustained or continuous tones (e.g., woodwinds at segment 83 and brass at segment 168).

In the third movement, where previously heard materials are modified and reassembled in a new arch-like framework, the degree of pitch definition serves as one of the several referent parameters which help to establish a connection to the antecedent materials. (Here the contour of the movement is projected through progressive changes in dynamics and density, and through motivic similarities between the materials in corresponding posi­tions in the "ascending" and "descending" legs of the arch).

Throughout the work the sonorities which include perceptible definite pitches are freely derived from a symmetrical eight-tone referent pitch set. The complete set first appears in segment 198 of the first movement (q.v., page nine). The relationship of this pitch set to the proportional scheme of the temporal domain may be understood by noting that the sonority of segment 198 evolves from the unison of the previous segment (193) through a process of interval multiplication. In this

xi

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process, each instrumental line progresses upward or downward from the unison by an interval which is three, five, or eight times the half step movement in the lower second violin and viola parts.

The pitch content of other harmonic and melodic materials in the work has been derived from this basic set by a variety of methods. In the opening two segments of the third movement, for example, a smaller set of pitches has been extracted from the basic set. At segment 168 of the second movement the pitches are distributed according to a pattern in which the sonorities are sym­metrically arranged, at first with intervals of the second, then the third, fourth, fifth, sixth, and finally the seventh controlling the spacing of the tones. The pitches of the basic set are distributed according to the natural harmonic series (with Contra b as the fundamental) at segment 96 of the second movement, and at segment 219 of the first movement the basic set is transposed by the interval of a tritone (the violins, higher; the other strings, lower).

Numerous surface details are also associated in certain ways with the concepts of proportionality from which the structural units have been developed. In the first movement, for example, the number of "voices'* (as represented by the number of separate staves in the score) is either five, eight, or thirteen. Throughout the work,

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rhythmic patterns frequently express division or multi­plication of some constant durational unit by factors of three, five, eight, etc. (e.g., segment 168 of the second movement), and the number of articulations in a given pattern is often governed by these same values. Within segment 1^1 in the second movement, for example, a total of three articulations occur in the first subsegment, five occur in the next, eight in the third, and thirteen occur in the fourth subsegment, producing a textural crescendo based on the density of attack points.

The score itself represents an idealized model of the musical conception. The differences which must be expected to occur from performance to performance will not alter the essence of the concept. In fact, within the controlling limits of the structural framework, the com­poser has included processes which are designed to result in such differences, making each performance unique in some details, even as it projects the essential qualities of the model. For example, by giving a range of desired tempi, rather than a single specific tempo for a repeated group of events (e.g., segment 109 of the second movement), it becomes highly improbable that any two readings would produce precisely the same synchronization among the various instruments. In such passages the surface details of the sound mass can be expected to differ slightly with each performance, but the constituent materials, the

xiii

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structural design, and the overall momentum remain con­sistent with the fundamental concepts of the work. In short, the notated score is intended to provide a point of (limited) departure with respect to the realization of surface details, and a target toward which to aim with respect to the realization of the structural outline.

In the foregoing analytical commentary it has been shown that virtually every facet of the composition has been governed, in one way or another, by a particular set of numerical relationships. It is important to note, however, that the specific set of controls employed is less significant (outside the context of the present composition) than the general compositional approach of establishing certain controls and creating a musical substance and architecture which are consistent with such controls. The proportions of Fibonacci and Pythagoras and the analogies which have been suggested between musical and geometrical concepts have served their function in the discipline of the creative process only because the composer chose to work with them in this piece. It has not been the intention of the composer to attempt to prove or disprove the aesthetic validity of such linkages for other contexts. The creation of the composition has been approached as a creative and artistic effort, and not as a scientific experiment. The existence of the completed piece does confirm, however, that contemplation of a

xiv

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nonmusical system can be an impetus toward the development of systematic and workable compositional approaches.

In performance, players should read from a copy of the full score in order that they can see how their material relates to the other players* parts. The prin­cipal functions of the conductor are to signal the tem­poral boundaries of each segment, to cue those entrances and exits which are to be ordered or synchronized in a particular manner (as indicated by dotted lines in the score), and to assure that the intended momentum of the work emerges clearly in the performance. While there is no need to conduct beats as would be the standard practice for a work notated in metrical notation, the conductor will need to employ a set of gestures which enable him to com­municate his intentions with respect to those functions mentioned above. Traditional conducting gestures could be adapted quite easily to express such intentions. A large downward beat, for example, could be used to signal the segmental boundaries, and smaller beat gestures could be used to cue entrances. The rise and fall of dynamics, density, or dramatic intensity could be conveyed through such signals as the normal crescendo and diminuendo gestures.

xv

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TABLE 1SPECIAL SYMBOLS AND ABBREVIATIONS

£Jp~&

<b

General

accelerando within the note groupritardando within the note group

Woodwinds

strike wood parts of instrument with old reed

"roll" effect produced by rattling old reed against inside of hell (as rapidly as possible)

rapid, irregular tremolo

Brass

cup mute cdl straight mute

open spit valve and allow it to snap backv v c j - j, .lv - a. a , -

with audible click^ tap with fingernail on tubing of instrument4 ) tap with fingernail on bell of instrument

(single stroke)"drumming" with four fingers (or fingernails)

on bell of instrument (i.e., #K )L|4^ rapid stroke across tuning slides with back

of the hand (fingernails)xv i

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TABLE 1— Continued

(50 rising and falling breath sounds (no tone)7 i ^7 while moving trombone slide

s-\ /~\ rattle valves rapidly while blowing air0>o(2/ol/ through instrument (no tone)

Percussion

T hard malletf medium mallet^ soft mallet^ bass drum beater

wire brush rim shotr. s.

(Special percussion effects are described in the score as they occur)

S trings

c.l. col legno; play with bow turned on its sideso that both the wood and hair touch the strings

l.batt., legno battuto; strike strings with the woodl.b. of the bow only

n.v. no vibratoord. bow in the normal location on the stringss ,p . sul ponticello? bow very near the bridgespicc.,

spc. spiccato; bounce bow on the stringss.t. sul tasto; bow over the fingerboard

Page 21: Geometries for Orchestra

TABLE 1— Continued

arj &

t-HH— |-

✓p percussive effect; strike body of instrumentwith knuckle or finger tip

J" "drumming" with four fingers on body ofw instrument (i.e., ^ )

slap instrument with flat handbow on tailpiece

-t" xfj+K arpeggio over the four strings between the* *• * bridge and tailpieceX rapid, irregular bowed tremolo

rapid, irregular fingered tremologlissando with finger lightly touching

string to produce harmonics<3 h s$.

highest possible harmonichighest note of the instrument

z v a / W wide, slow vibrato (quarter tone pitchvariation)

transition from scratchy tone (produced by heavy, slow bowing) to normal tone

^ snap pizzicatopizzicato with the fingernailpizzicato between the bridge and tailpiecerepeated articulation of the same pitch

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TABLE 2INSTRUMENTATION

Woodwinds

2 Flutes (one doubling Piccolo)2 Oboes (one doubling English Horn)2 Clarinets (one doubling E b Soprano Clarinet) 2 Bassoons (one doubling Contrabassoon)

Brass

4 Horns in F Bass Trombone2 Trumpets in C Tuba2 Tenor Trombones

Percussion

(6 players)Metal Instruments *.

Suspended Cymbals (lg., med. , sm.) Hand Cymbals (one lg., one sm.) Tam-tams (lg., sm.)Jingle Bells Triangles (lg., sm.)Crotales (d, f#, g#, b)Vibraphone

Wood Instruments:ClavesGuiroMaracasCastanetsWood BlockRatchetSlapstickTemple Blocks (lg., med., sm.) Xylophone

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TABLE 2— Continued

Skin Instrumentsi TambourineSnare Drums (lg., sm.) Bongos (high, low) Congas (high, low) Large Bass Drum Timpani (k drums)

S trings

Violin I (12 or more players) Violin II (12 or more players) Viola (8 or more players)Cello (10 or more players) Contrabass (6 or more players)

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BIBLIOGRAPHY

Karkoshka, Erhard. Notation in New Music. Trans, hy Ruth Koenig. New York: Praeger Press, 1972.

Kotonski, Wlodzimierz. Schlaginstrumente im modernen Qrchester. Mainzl B. Schott's Soehne, 1968.

Peinkofer, Karl, and Tannigel, Fritz. Handhuch des Schlag- zeugs: Praxis und Technik. Mainz: B. Schott's Soehne, 1969.

Penderecki, Krzysztof. Ofiarom Hiroszimy Tren. Warsaw: Polskie Wydawnictwo Muzyczne, 19° 1•

Read, Gardner. Music Notation, 2nd ed. Boston: Crescendo Publishers, 1969.

Risatti, Howard. New Music Vocabulary. Urbana: University of Illinois Press, 1975®

Smith Brindie, Reginald. Contemporary Percussion. London: Oxford University Press, 1970*

32

Page 56: Geometries for Orchestra

VITA

WILLIAM RONALD CLEMMONSDate of Birth: 12 October 1946 Place of Birth: New Orleans, Louisiana Marital Status: Married, one son

EducationDecatur High School, Decatur, Alabama: Graduated 1964 University of Alabama, Tuscaloosa, Alabama: Bachelor of

Music (Theory and Composition), 1968 University of Alabama, Tuscaloosa, Alabama: Master of

Music (Composition, minor in Theory), 1974 Louisiana State University, Baton Rouge, Louisiana: Doctor

of Musical Arts (Composition, minors in Theory and Music History), candidate for Fall Commencement, 1978

Teaching ExperienceAbbeville (Alabama) High School (1968-69): Director of

Band and Chorus; taught Music Appreciation Opp (Alabama) High School (1969-72); Director of Bands;

taught Music Theory University of Alabama in Birmingham (UAB)(1973-present):

Instructor in Music; teach Music Theory, Twentieth- Century Music Literature, and Electronic Music

33

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VITA--Continued3/4,

Arrangements and Original Compositions

Approximately fifteen arrangements written for University of Alabama "Million Dollar" Band for nationally televised football halftime shows (1966-67)

Two arrangements written for University of Alabama JazzEnsemble, one of which was recorded by the ensemble, (1967-68)

Fifteen original compositions for voice, instrumental en­semble, orchestra, or tape (1967-present), eleven of these have been performed publicly

Awards, Honors, and ActivitiesUniversity of Alabama: Graduate Assistant (1972-73) Louisiana State University: Graduate Assistant (1976-77)Pi Kappa Lambda (National Music Honor Society)Phi Kappa Phi (National Honor Society)Original compositions selected for performance: Louisiana

State University Festivals of Contemporary Music (1976, 1977)

Senior Clarinet Player with 151st Army National Guard Band, Montgomery, Alabama (1969-75)

Publications, Presentations, and Research

Review of series of multi-media concerts given at George Peabody College, Nashville, Tennessee: "Comments on Electronic Music Plus." Numus West (May, 197*0

Article: "The Coordination of Motivic and Harmonic Elements in the 'Dirge-Canons' of Stravinsky's In Memoriam Dylan Thomas." In Theory Only: Journal of the Michigan Music Theory Society (April, 1977)

Article: "Computer-Based Music Instruction." Chronos:Alabama Teachers of Music Theory Newsletter (April, 1978)

Page 58: Geometries for Orchestra

VITA--Continued35

Editor: Chronos: Alabama Teachers of Music Theory News­letter (1973-79)

Series of three lectures: "Techniques of Electronic Com­position," University of Alabama (197*0

Lecture: "Electronic Processes for Musical Composition and Performance." Humanities Forum, University of Ala­bama in Birmingham (1975)

Presentation: "The Role of Composition in Music TheoryClasses." Alabama Teachers of Music Theory (Winter Meeting, 1978)

Presentation: "Computer Assisted Theory Instruction."Alabama Teachers of Music Theory (Summer Meeting, 1978)

Grant: "An Investigation of Some Current Systems and Materials for Computer Assisted Instruction in Music." Project on Teaching and Learning in Uni­versity College, University of Alabama in Bir­mingham (March, 1978)

Developing course materials and writing computer program for Computer Assisted Instruction in the Funda­mentals of Music

Professional and Service Affiliations

College Music SocietyAssociation for the Development of Computer-Based Instruc­

tional SystemsNational Consortium for Computer-Based Music Instruction Alabama Teachers of Music Theory (Executive Board, 1975-76;

Second Vice President, 1978-79; Newsletter Editor, 1978-79)

University College Senate, University of Alabama in Bir­mingham (1978-79)

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EXAM INATION AND THESIS REPORT

Candidate: W i l l ia m R o n a ld C lem m o n s

M ajor Field: M u s ic

Title of Thesis: G eo m etr ies fo r O rch estra

Approved:

_Major Professor and Chairman

"v<A-Deair of the Graduate Scn»ol

E X A M IN IN G C O M M IT T E E :

C O - _

^ v . '! -.'A- — A

D ate o f E xam in ation :

October 26, 1978