Harmonic rhythm

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Two harmonizations of "Yankee Doodle"
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[1] Note the slower harmonic rhythm. Loudspeaker.svg Play  
Yankee Doodle harmonization 36.png
Note the faster harmonic rhythm. Loudspeaker.svg Play  

In music theory , harmonic rhythm, also known as harmonic tempo, is the rate at which the chords change (or progress) in a musical composition, in relation to the rate of notes. [2] Thus a passage in common time with a stream of sixteenth notes and chord changes every measure has a slow harmonic rhythm and a fast surface or "musical" rhythm (16 notes per chord change), while a piece with a trickle of half notes and chord changes twice a measure has a fast harmonic rhythm and a slow surface rhythm (1 note per chord change). Harmonic rhythm may be described as strong or weak.

According to William Russo harmonic rhythm is, "the duration of each different chord...in a succession of chords." [3] According to Joseph Swain (2002 p. 4) harmonic rhythm, "is simply that perception of rhythm that depends on changes in aspects of harmony." According to Walter Piston (1944), "the rhythmic life contributed to music by means of the underlying changes of harmony. The pattern of the harmonic rhythm of a given piece of music, derived by noting the root changes as they occur, reveals important and distinctive features affecting the style and texture." [4]

Strong harmonic rhythm is characterized by strong root progressions and emphasis of root positions, weak contrapuntal bass motion, strong rhythmic placement in the measure (especially downbeat), and relatively longer duration. [5]

"The 'fastness' or 'slowness' of harmonic rhythm is not absolute, but relative," [6] [ self-published source ] and thus analysts compare the overall pace of harmonic rhythm from one piece to another, or the amount of variation of harmonic rhythm within a piece. For example, a key stylistic difference between Baroque music and Classical-period music is that the latter exhibits much more variety of harmonic rhythm, even though the harmony itself is less complex.

For example, the first prelude (BWV 846) from J. S. Bach's The Well-Tempered Clavier, illustrates a steady harmonic rhythm of one chord change per measure, although the melodic rhythm is much faster.

Harmonic rhythm

Sources

  1. Porter, Steven (1987). Harmonization of the Chorale, p.9. ISBN   0-935016-80-5.
  2. "Harmonic rhythm", Britannica.com. Accessed June 2013.
  3. Russo, William (1997). Jazz Composition and Orchestration, p.42. University of Chicago. ISBN   9780226732084.
  4. Piston, Walter (1944). Cited in Swain, Joseph P. (2002). Harmonic Rhythm: Analysis and Interpretation, [ page needed ]. ISBN   0-19-515087-2.
  5. Randel, Don Michael (2003). The Harvard Dictionary of Music, p.377. Harvard. ISBN   9780674011632.
  6. Trogan, Roland (2013). The Circle and the Diamond, p.8. Xlibris. ISBN   9781483694726.

Related Research Articles

Rhythm generally means a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions". This general meaning of regular recurrence or pattern in time can apply to a wide variety of cyclical natural phenomena having a periodicity or frequency of anything from microseconds to several seconds ; to several minutes or hours, or, at the most extreme, even over many years.

Rhythm guitar Guitar used to provide rhythm

In music performances, rhythm guitar is a technique and role that performs a combination of two functions: to provide all or part of the rhythmic pulse in conjunction with other instruments from the rhythm section ; and to provide all or part of the harmony, i.e. the chords from a song's chord progression, where a chord is a group of notes played together. Therefore, the basic technique of rhythm guitar is to hold down a series of chords with the fretting hand while strumming or fingerpicking rhythmically with the other hand. More developed rhythm techniques include arpeggios, damping, riffs, chord solos, and complex strums.

Syncopation is a musical term meaning a variety of rhythms played together to make a piece of music, making part or all of a tune or piece of music off-beat. More simply, syncopation is "a disturbance or interruption of the regular flow of rhythm": a "placement of rhythmic stresses or accents where they wouldn't normally occur". It is the correlation of at least two sets of time intervals.

In musical terminology, tempo is the speed or pace of a given piece. In classical music, tempo is typically indicated with an instruction at the start of a piece and is usually measured in beats per minute. In modern classical compositions, a "metronome mark" in beats per minute may supplement or replace the normal tempo marking, while in modern genres like electronic dance music, tempo will typically simply be stated in bpm.

Harmony Aspect of music

In music, harmony is the process by which the composition of individual sounds, or superpositions of sounds, is analysed by hearing. Usually, this means simultaneously occurring frequencies, pitches, or chords.

In music, an ostinato[ostiˈnaːto] is a motif or phrase that persistently repeats in the same musical voice, frequently in the same pitch. Well-known ostinato-based pieces include both classical compositions, such as Ravel's Boléro and the Carol of the Bells, and popular songs such as Donna Summer and Giorgio Moroder's "I Feel Love" (1977), Henry Mancini's theme from Peter Gunn (1959), and The Verve's "Bitter Sweet Symphony" (1997).

In a musical composition, a chord progression or harmonic progression is a succession of chords. Chord progressions are the foundation of harmony in Western musical tradition from the common practice era of Classical music to the 21st century. Chord progressions are the foundation of Western popular music styles and traditional music. In these genres, chord progressions are the defining feature on which melody and rhythm are built.

<i>Short Ride in a Fast Machine</i>

Short Ride in a Fast Machine is a 1986 orchestral work by John Adams. Adams applies the description "fanfare for orchestra" to this work and to the earlier Tromba Lontana (1986). The former is also known as Fanfare for Great Woods because it was commissioned for the Great Woods Festival of the Pittsburgh Symphony Orchestra.

A secondary chord is an analytical label for a specific harmonic device that is prevalent in the tonal idiom of Western music beginning in the common practice period: the use of diatonic functions for tonicization.

A chord is in close harmony if its notes are arranged within a narrow range, usually with no more than an octave between the top and bottom notes. In contrast, a chord is in open harmony if there is more than an octave between the top and bottom notes. The more general term spacing describes how far apart the notes in a chord are voiced. A triad in close harmony has compact spacing, while one in open harmony has wider spacing.

This is a list of musical terms that are likely to be encountered in printed scores, music reviews, and program notes. Most of the terms are Italian, in accordance with the Italian origins of many European musical conventions. Sometimes, the special musical meanings of these phrases differ from the original or current Italian meanings. Most of the other terms are taken from French and German, indicated by "Fr." and "Ger.", respectively.

In Western musical theory, a cadence is the end of a phrase in which the melody or harmony creates a sense of resolution. A harmonic cadence is a progression of two or more chords that concludes a phrase, section, or piece of music. A rhythmic cadence is a characteristic rhythmic pattern that indicates the end of a phrase. A cadence is labeled more or less "weak" or "strong" depending on the impression of finality it gives. While cadences are usually classified by specific chord or melodic progressions, the use of such progressions does not necessarily constitute a cadence—there must be a sense of closure, as at the end of a phrase. Harmonic rhythm plays an important part in determining where a cadence occurs.

In the history of European art music, the common practice period is the era of the tonal system. Though it has no exact dates, most features of the common-practice period persisted from the mid- to late baroque period, through the Classical, Romantic and Impressionist periods, from around 1650 to 1900. The period saw considerable stylistic evolution, with some patterns and conventions flourishing and then declining, for example the sonata form. Thus, the dates 1650–1900 are necessarily nebulous and arbitrary borders that depend on context. The most important unifying feature throughout the period is a harmonic language to which modern music theorists can apply Roman numeral chord analysis.

Root (chord)

In music theory, the concept of root is the idea that a chord can be represented and named by one of its notes. It is linked to harmonic thinking—the idea that vertical aggregates of notes can form a single unit, a chord. It is in this sense that one speaks of a "C chord" or a "chord on C"—a chord built from C and of which the note C is the root. When a chord is referred to in Classical music or popular music without a reference to what type of chord it is, it is assumed a major triad, which for C contains the notes C, E and G. The root need not be the bass note, the lowest note of the chord: the concept of root is linked to that of the inversion of chords, which is derived from the notion of invertible counterpoint. In this concept, chords can be inverted while still retaining their root.

In music theory, a dominant seventh chord, or major minor seventh chord, is a seventh chord, usually built on the fifth degree of the major scale, and composed of a root, major third, perfect fifth, and minor seventh. Thus it is a major triad together with a minor seventh, denoted by the letter name of the chord root and a superscript "7". An example is the dominant seventh chord built on G, written as G7, having pitches G–B–D–F:

The diminished seventh chord is a four-note chord composed of a root note, together with a minor third, a diminished fifth, and a diminished seventh above the root:. For example, the diminished seventh chord built on C, commonly written as Co7, has pitches C–E–G–B:

Chord substitution Technique of using a chord in place of another in a progression of chords

In music theory, chord substitution is the technique of using a chord in place of another in a progression of chords, or a chord progression. Much of the European classical repertoire and the vast majority of blues, jazz and rock music songs are based on chord progressions. "A chord substitution occurs when a chord is replaced by another that is made to function like the original. Usually substituted chords possess two pitches in common with the triad that they are replacing."

Second inversion

The second inversion of a chord is the voicing of a triad, seventh chord, or ninth chord in which the fifth of the chord is the bass note. In this inversion, the bass note and the root of the chord are a fourth apart which traditionally qualifies as a dissonance. There is therefore a tendency for movement and resolution. In notation form, it is referred to with a c following the chord position. In figured bass, a second-inversion triad is a 6
4
chord, while a second-inversion seventh chord is a 4
3
chord.

Inversions are not restricted to the same number of tones as the original chord, nor to any fixed order of tones except with regard to the interval between the root, or its octave, and the bass note, hence, great variety results.

In music, a sequence is the restatement of a motif or longer melodic passage at a higher or lower pitch in the same voice. It is one of the most common and simple methods of elaborating a melody in eighteenth and nineteenth century classical music. Characteristics of sequences:

Excursions, Op. 20, is the first published solo piano piece by Samuel Barber. Barber himself explains:

These are ‘Excursions’ in small classical forms into regional American idioms. Their rhythmic characteristics, as well as their source in folk material and their scoring, reminiscent of local instruments are easily recognized.