- Musical form
The term musical form refers to the overall structure or plan of a piece of music, and it describes the layout of a composition as divided into sections. In the tenth edition of The Oxford Companion to Music, Percy Scholes defines musical form as "a series of strategies designed to find a successful mean between the opposite extremes of unrelieved repetition and unrelieved alteration."
Musicologist Richard Middleton describes form through repetition and difference: difference is the distance moved from a repeat; a repeat being the smallest difference. Difference is quantitative and qualitative; how far different and what type of difference. According to Middleton, musical form is "the shape or structure of the work." In many cases, form depends on statement and restatement, unity and variety, contrast and connection.
- 1 Levels of organization
- 2 Single forms
- 3 Cyclical forms
- 4 More recent developments
- 5 See also
- 6 References
- 7 External links
Levels of organization
The founding level of musical form can be divided into two parts:
- The arrangement of the pulse into accented and unaccented beats, the cells of a measure that, when harmonized, may give rise to a motif or figure.
- The further organization of such a measure, by repetition and variation, into a true musical phrase having a definite rhythm and duration that may be implied in melody and harmony, defined, for example, by a long final note and a breathing space. This "phrase" may be regarded as the fundamental formal unit of music: it may be broken down into measures of two or three beats, but its distinctive nature will then be lost. Even at this level, the importance of the principles of repetition and contrast, weak and strong, climax and repose, can be seen. (See also: Meter (music)) Thus, form may be understood on three levels of organization. For the purpose of this exposition, these levels can be roughly designated as passage, piece, and cycle.
The smallest level of construction concerns the way musical phrases are organized into musical sentences and "paragraphs" such as the verse of a song. This may be compared to, and is often decided by, the verse-form or meter of the words or the steps of a dance.
For example, the twelve bar blues is a specific verse form, while common meter is found in many hymns and ballads and, again, the Elizabethan galliard, like many dances, requires a certain rhythm, pace and length of melody to fit its repeating pattern of steps. Simpler styles of music may be more or less wholly defined at this level of form, which therefore does not differ greatly from the loose sense first mentioned and which may carry with it rhythmic, harmonic, timbral, occasional and melodic conventions.
In the analysis of musical form, any components that can be defined on the time axis (such as sections and units) are conventionally designated by letters. Upper-case letters are used for the most fundamental, while lower-case letters are used for sub-divisions. If one such section returns in a varied or modified form, a numerical digit or an appropriate number of prime symbols appears after the letter. Even at this simplest level, there are patterns that may be re-used on larger time-scales. For example:
The following verse is composed of two differently-rhymed couplets (AABB), and thus its organization is binary or "twofold".
- Twinkle, twinkle, little star,
- How I wonder what you are.
- Up above the world so high,
- like a diamond in the sky.
However, in the verse below, there is a rhyme repeated in the second line, then a variant in the third line, two half-lines sharing a new rhyme, followed by a final return to the first arrangement in the last line (AABA), and thus its organization is ternary form or "threefold".
- There once was a fellow from Leeds
- Who swallowed a packet of seeds.
- In less than an hour he burst into flower
- And he died trying to pull up the weeds.
However, as music educator Stewart Macpherson stated, there is a preference at all levels of musical organization for groupings of two, four, eight over other divisions, so that even a ternary form is often extended by repetition of the first subject into a "fourfold" structure. Composers can be on guard against excessive "squareness".
The next level concerns the entire structure of any single self-contained musical piece. If the hymn, ballad, blues or dance alluded to above simply repeats the same musical material indefinitely then the piece is said to be in strophic form overall. If it repeats with distinct, sustained changes each time, for instance in setting, ornamentation or instrumentation, then the piece is a theme and variations. If two distinctly different themes are alternated indefinitely, as in a song alternating verse and chorus or in the alternating slow and fast sections of the Hungarian czardas, then this gives rise to a simple binary form. If the theme is played (perhaps twice), then a new theme is introduced, the piece then closing with a return to the first theme, we have a simple ternary form.
Great confusion, argument and misunderstanding can be generated by such terms as 'ternary' and 'binary', as a complex piece may have elements of both at different organizational levels. A minuet, like any Baroque dance, generally had simple binary structure (AABB), however, this was frequently extended by the introduction of another minuet arranged for solo instruments (called the trio), after which the first was repeated again and the piece ended—this is a ternary form—ABA: the piece is binary on the lower compositional level but ternary on the higher. Organisational levels are not clearly and universally defined in western musicology, while words like "section" and "passage" are used at different levels by different scholars whose definitions, as Scholes and others[who?] point out, cannot keep pace with the myriad innovations and variations devised by musicians.
The grandest level of organization may be referred to as "cyclical form". It concerns the arrangement of several self-contained pieces into a large-scale composition. For example, a set of songs with a related theme may be presented as a song-cycle, whereas a set of Baroque dances were presented as a suite. The opera and ballet may organize song and dance into even larger forms. This level of musical form, though it again applies and gives rise to different genres, takes more account of the methods of musical organisation used. For example: a symphony, a concerto and a sonata differ in scale and aim, yet generally resemble one another in the manner of their organization. The individual pieces which make up the larger form may be called movements.
Scholes suggested that European classical music had only six stand-alone forms: simple binary, simple ternary, compound binary, rondo, air with variations, and fugue. However, musicologist Alfred Mann, emphasized that the fugue is primarily a method of composition that has sometimes taken on certain structural conventions.
Where a piece cannot readily be broken down into sectional units (though it might borrow some form from a poem, story or programme), it is said to be through-composed. Such is often the case with pieces named Fantasia, Prelude, Rhapsody, Etude or study, Symphonic poem, Bagatelle, Impromptu, etc. Professor Charles Keil classified forms and formal detail as "sectional, developmental, or variational."
This form is built from a sequence of clear-cut units that may be referred to by letters as outlined above but also often have generic names such as Introduction and Coda, Exposition, Development and recapitulation, verse, chorus or refrain, and bridge. Introductions and codas, when they are no more than that, are frequently excluded from formal analysis. All such units may typically be eight measures long. Sectional forms include:
This form is defined by its "unrelieved repetition" (AAAA...). Medley, potpourri or Chain form: this is the opposite extreme of "unrelieved variation": it is simply an indefinite sequence of self-contained sections (ABCD...), sometimes with repeats (AABBCCDD...). Orchestral overtures are sometimes no more than a string of the best tunes of the show to come, such as in Johann Strauss' Blue Danube waltz, which ends with a reprise of the main theme ((intro)ABCD...A1(coda)).
This form uses two sections (AB...); each section is often repeated (AABB...). In 18th-century western classical music, "simple binary" form was often used for dances and carried with it the convention that the two sections should be in different musical keys but maintain the same rhythm, duration and tone. The alternation of two tunes gives enough variety to permit a dance to be extended for as long as may be required.
This form has three parts. In Western classical music a simple ternary form has a third section that is a recapitulation of the first (ABA). Often, the first section is repeated (AABA). This approach was popular in the 18th-century operatic aria, and was called da capo (i.e. "repeat from the top") form. Later, it gave rise to the 32-bar song, with the B section then often referred to as the "middle eight". A song has more need than a dance of a self-contained form with a beginning and an end.
This form has a recurring theme alternating with different (usually contrasting) sections called "episodes". It may be asymmetrical (ABACADAEA) or symmetrical (ABACABAC). A recurring section, especially the main theme, is sometimes more thoroughly varied, or else one episode may be a "development" of it. A similar arrangement is the ritornello form of the Baroque concerto grosso. Arch form (ABCBA) resembles a symmetrical rondo without intermediate repetitions of the main theme.
Variational forms are those in which variation is an important formative element.
Theme and Variations: a theme, which in itself can be of any shorter form (binary, ternary, etc.), forms the only "section" and is repeated indefinitely (as in strophic form) but is varied each time (AA1A2A3A4A5A6), so as to make a sort of sectional chain form. An important variant of this, much used in 17th-century British music and in the Passacaglia and Chaconne, was that of the ground bass - a repeating bass theme or basso ostinato over and around which the rest of the structure unfolds, often, but not always, spinning polyphonic or contrapuntal threads, or improvising divisions and descants. This is said by Scholes (1977) to be the form par excellence of unaccompanied or accompanied solo instrumental music. The Rondo is often found with sections varied (AA1BA2CA3BA4) or (ABA1CA2B1A).
Developmental forms are built directly from smaller units, such as motifs, combined and worked out in different ways, perhaps having a symmetrical or arch-like underpinning and a progressive development from beginning to end. By far the most important in Western classical music is;
This form, also known as sonata allegro form, first movement form, compound binary, ternary and a variety of other names,[example needed] developed from the binary-formed dance movement described above but is almost always cast in a greater ternary form having the nominal subdivisions of Exposition, Development and Recapitulation. Usually, but not always, the "A" parts (Exposition and Recapitulation, respectively) may be subdivided into two or three themes or theme groups which are taken asunder and recombined to form the "B" part (the Development) - thus e. g. (AabB[dev. of a and/or b]A1ab1+coda). This developmental form is generally confined to certain sections of the piece, as to the middle section of the first movement of a sonata, though nineteenth-century composers such as Berlioz, Liszt and Wagner made valiant efforts to derive large-scale works purely or mainly from the motif.
Chester (1970) distinguished this as "extensional music", that "produced by starting with small components - rhythmic or melodic motifs, perhaps - and then 'developing' these through techniques of modification and combination." "Intensional music", meanwhile, "starts with a framework - a chord sequence, a melodic outline, a rhythmic pattern - and then extends itself by repeating the framework with perpetually varied inflections to the details filling it in."
Opera was originally modelled upon classical drama and takes much of its form from its libretto and narrative. For many years, ballet was a component of opera, not in itself narrative, but having the form of a suite of set dances included at some appropriate moment in the story such as a festival or wedding. It emerged as a separate form, supplying its own narrative or representation, during the 19th-century. At the same time, the song cycle emerged, which is a set of related songs (as the suite is a set of related dances). The oratorio took shape as a narrative, often religious, recounted—rather than acted—by the singers.
The sonata, symphony, and concerto were all developed by the great composers of the Viennese school (Haydn, Mozart and Beethoven) along the same formal lines into distinctively musical forms limited little by the forms of song, dance or ceremony. Other forms of music, such as the Catholic mass and requiem, are largely shaped by and subordinated to their texts and ceremonial functions.
More recent developments
A common idea is the depth of layers of form necessary for complexity, in which foregrounded detail events occur against a more structural background, as in Schenkerian analysis. Composer and music theorist Professor Fred Lerdahl, among others,[who else?] argues that popular music lacks the structural complexity of multiple structural layers and thus lacks depth. However, Lerdahl's theories explicitly exclude associational details which are used to help articulate form in popular music; the theories of which are analyzed in music theorist and musicologist Allen Forte's book, The Structure of Atonal Music.Western classical music is the apodigm of the extensional form of musical construction. Theme and variations, counterpoint, tonality (as used in classical composition) are all devices that build diachronically and synchronically outwards from basic musical atoms. The complex is created by combination of the simple, which remains discrete and unchanged in the complex unity...If those critics who maintain the greater complexity of classical music specified that they had in mind this extensional development, they would be quite correct...Rock however follows, like many non-European musics, the path of intensional development. In this mode of construction, the basic musical units (played/sung notes) are not combined through space and time as simple elements into complex structures. The simple entity is that constituted by the parameters of melody, harmony, and beat, while the complex is built up by modulation of the basic notes, and by inflexion of the basic beat. All existing genres and sub-types of the Afro-American tradition show various forms of combined intensional and extensional development.—Chester 1970, p.78-9
Similarly, Middleton maintains that "syntactic music" is centered on notation and "the hierarchic organization of quasilinguistic elements and their putting together (com-position) in line with systems of norms, expectations, surprises, tensions and resolutions. The resulting aesthetic is one of 'embodied meaning.'" on the other hand, non-notated music and performance "foreground process and are concerned with gesture, physical feel, the immediate moment, improvisation; the resulting aesthetic is one of 'engendered feeling' and is unsuited to the application of 'syntactic' criteria."
Connection and contrast may be achieved in new ways. Procedures of connection include: gradation, amalgamation, and dissolution. Procedures of contrast include: stratification, juxtaposition, and interpolation.
Especially recently,[as of?] more segmented approaches have been taken through the use of stratification, superimposition, juxtaposition, interpolation, and other interruptions and simultaneities. Examples include the postmodern "block" technique used by composers such as John Zorn, where rather than organic development, one follows separate units in various combinations. These techniques may be used to create contrast to the point of disjointed chaotic textures, or, through repetition and return and transitional procedures such as dissolution, amalgamation, and gradation, may create connectedness and unity. Composers have also made more use of open forms such as produced by aleatoric devices and other chance procedures, improvisation, and some processes.
- ^ Schmidt-Jones, Catherine (11 March 2011). "Form in Music". Connexions. http://cnx.org/content/m10842/2.14/. Retrieved 11 September 2011.
- ^ Brandt, Anthony (11 January 2007). "Musical Form". Connexions. http://cnx.org/content/m11629/1.13/. Retrieved 11 September 2011.
- ^ Scholes, Percy A. (1977). "Form". The Oxford Companion to Music (10 ed.). Oxford University Press.
- ^ Middleton, Richard (1999). "Form". In Horner, Bruce; Swiss, Thomas. Key Terms in Popular Music and Culture. Malden, Massachusetts: Blackwell Publishing. ISBN 0-631-21263-9. http://books.google.com/books?id=gY-w68zIQWQC.
- ^ Macpherson, Stewart (1930). "Form". Form in Music (New and Revised ed.). London: Joseph Williams.
- ^ Macpherson, Stewart (1930). "Form". Form in Music (New and Revised ed.). London: Joseph Williams.
- ^ Mann, Alfred (1958). The Study of Fugue.
- ^ Keil, Charles (1966). Urban blues. ISBN 0226429601.
- ^ Wennerstrom, Mary (1975). "Form in Twentieth Century Music". In Wittlich, Gary. Aspects of Twentieth-Century Music. Englewood Cliffs, New Jersey: Prentice-Hall. ISBN 0-13-049346-5.
- ^ Lerdahl, Fred (1992). "Cognitive Constraints on Compositional Systems". Contemporary Music Review 6 (2): 97–121.
- ^ Forte, Allen (1973). The Structure of Atonal Music. New Haven: Yale University Press. ISBN 9780300021202. http://yalepress.yale.edu/yupbooks/book.asp?isbn=9780300021202.
- Study Guide for Musical Form A Complete Outline of Standardized Formal Categories and Concepts by Robert T. Kelley
- A Practical Guide to Musical Composition by Alan Belkin
- Morphopoiesis: A General Procedure for Structuring Form by Panayiotis Kokoras
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