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Topic: Seventh chord


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In the News (Tue 2 Dec 08)

  
  Seventh chord - Wikipedia, the free encyclopedia
Because a variety of sevenths may be added to a variety of chords, there are many types of seventh chords, depending on the type of triad and the quality of the seventh.
The dominant seventh chord is useful to composers because it is a major chord with a very strong sound, that also includes a tritone between the third and seventh of the chord.
While the dominant seventh chord is typically built on the fifth (or dominant) degree of a major scale, the minor seventh chord is built on the second, third, or sixth degree.
en.wikipedia.org /wiki/Seventh_chord   (785 words)

  
 Chord (music) - Wikipedia, the free encyclopedia
Seventh chords are constructed by adding a fourth note to a triad, at the interval of a third above the fifth of the chord.
Although the third and seventh of the chord are always determined by the symbols shown above, the fifth, as well as the extended intervals 9, 11, and 13, may be altered through the use of accidentals.
All pop-music chords are assumed to be in root position, with the root of the chord in the bass.
en.wikipedia.org /wiki/Chord_(music)   (2943 words)

  
 Chord
Chords are also said to have a function in their diatonic scale, which relates to the expected resolution of each chord within a key.
When a chord progression resolves to a III or IV chord, it is called a Tonic Substitution, because the stable III or VI chord is being used as a substitute for the expected I chord.
The dominant seventh chord is useful to composers because of the fact that it is a major chord with a very strong sound, that also includes a tritone between the third and seventh of the chord.
www.ebroadcast.com.au /lookup/encyclopedia/ch/Chord.html   (2241 words)

  
 Seventh chord - Definition, explanation
Because a variety of sevenths may be added to a variety of chords, there are many types of seventh chords, depending on the type of triad and the quality of the seventh.
Called the Dominant Seventh because its intervallic relationships occur naturally in the seventh chord built on the dominant scale degree of a given key, the dominant seventh chord was the first to begin to appear regularly in Western music.
While the dominant seventh chord is typically built on the fifth (or dominant) degree of a major scale, the minor seventh chord is built on the second, third, or sixth degree.
www.calsky.com /lexikon/en/txt/s/se/seventh_chord.php   (783 words)

  
 Chords
Seventh chords built upon augmented triads are extremely rare, as are minor triads with a major seventh and major or minor triads with diminished sevenths.
Another way of specifying chords that reflects their relationships to a particular key uses roman numerals to indicate the scale degree upon which the chord is built instead of pitch names.
Notice that this method defines chords according to their relationship within a key, thus providing a means of discussing functional relationships of chord progressions.
www.smu.edu /totw/chords.htm   (717 words)

  
 Chord
When a chord progression resolves to a III or IV chord, it is called a Tonic Substitution, because the stable III or VI chord is being used as a substitute for the expected I chord.
The five down a perfect fifth to the I chord and the VII chord up a minor second to the I chord, due to the expected resolution of the tritone, or the highly unstable diminished fifth which is present in a diatonic VII chord.
The II and IV chords have Subdominant Function, partially due to the fact that they are a fifth away from the Dominant chords of a key, and partially because in their own Tonic keys, their respective Dominant chords are built on the root notes of the stable Tonic function I and VI.
www.fastload.org /ch/Chord.html   (2280 words)

  
 NationMaster - Encyclopedia: Chord substitution   (Site not responding. Last check: 2007-10-17)
A chord substitution is the use of one chord in the place of another in a chord progression.
Substituted chords must have some quality in common with the original chords, such as in a tritone substitution.
In jazz music a tritone substitution is the use in a chord progression of a dominant seventh chord (major/minor seventh chord) that is three steps (a tritone) away from the original dominant seventh chord.
www.nationmaster.com /encyclopedia/Chord-substitution   (313 words)

  
 chord names
These chords are probably encountered more often than the diminished triad, and so the "7" is sometimes omitted, effectively leaving it to the discretion of the player whether or not to include the diminished 7th note.
This is often called the "half diminished" seventh chord as it is like a diminished seventh except that only the 5th is diminished instead of both the 5th and the 7th.
In a sus chord the third of the chord is replaced by another note – usually the 4th, sometimes the 2nd – with the original notion being that it should resolve by changing to the third, albeit a little late.
www.mozart.co.uk /information/articles/chordnames.htm   (1511 words)

  
 NationMaster - Encyclopedia: Supertonic   (Site not responding. Last check: 2007-10-17)
For example, in the C major scale (white keys on a piano), the supertonic is the note D; and the supertonic chord uses the notes D, F, and A. In music theory, the supertonic chord is symbolized with the Roman numeral II if major or ii if minor.
The super tonic is the root of the minor seventh chord and the fifth of the dominant seventh chord.
A seventh chord is a chord or triad which has a note the seventh above the tonic in it.
www.nationmaster.com /encyclopedia/Supertonic   (728 words)

  
 Chord Notation
A chord symbol is a letter and/or accidental which indicates a root pitch on which a chord is to be built and other symbols which indicate the chord quality.
For a diminished-minor seventh chord a slash is often drawn through the "o" or the symbol "b5" will follow the 7.
In this example the guitarist strums an A minor-minor seventh chord, a D major-minor seventh chord, a G major-major seventh chord, and a C major-major seventh chord.
www.alcorn.edu /musictheory/Version2/theory1/Chord1.htm   (671 words)

  
 Seventh Chords   (Site not responding. Last check: 2007-10-17)
This chord is called seventh chord because a seventh interval is formed in relation to the root.
Seventh chords may be built on each of the degrees of major and minor scales.
Seventh chords may be identified by analyzing the triad and the seventh interval forming the chord.
www.teoria.com /reference/chords/08.htm   (75 words)

  
 The Dominant Seventh and Augmented Sixth Discords
The resolution of the dominant seventh is frequently extended with the interpolation of a triad in second inversion which is built on the same bass note as the resolution chord.
Like the dominant seventh, the resolution of the augmented sixth is frequently extended with the interpolation of a second inversion triad on the same bass note as the resolution chord.
In jazz the process of substituting a dominant seventh chord for one whose root is a tritone away is known as tritone substitution.
www.andymilne.dial.pipex.com /Discords.shtml   (1383 words)

  
 The Dominant Seventh and Augmented Sixth Discords
The resolution of the dominant seventh is frequently extended with the interpolation of a triad in second inversion which is built on the same bass note as the resolution chord.
Like the dominant seventh, the resolution of the augmented sixth is frequently extended with the interpolation of a second inversion triad on the same bass note as the resolution chord.
In jazz the process of substituting a dominant seventh chord for one whose root is a tritone away is known as tritone substitution.
www.tonalcentre.org /Discords.html   (1383 words)

  
 Music Theory: Harmony: Other Chord Types
Often, the names of these chords are derived from the classical theory, but classical musician often scoff at the notion of, for example, a "sus" chord, pointing out that a suspension, from which the abbreviation "sus" occurs, is a melodic device not a harmonic one.
The sus chord actually implies the same scale as an ordinary dominant seventh chord, as will be seen later, but the notation suggests to the improvisor that the fourth should be emphasized rather than the third.
This chord does not actually suggest a different scale than an ordinary major or major seventh chord; like the sus chord, it suggests instead that the sixth should probably be emphasized over the major seventh.
www.outsideshore.com /school/music/almanac/html/Music_Theory/Harmony/Other_Chord_Types.htm   (1266 words)

  
 Philip Tagg | Lead sheet chords - EPMOW entry (2000)
Seventh chords containing minor third, diminished fifth and flat seventh are written as m7-5 or m7$5, sometimes as ø (‘half diminished’).
The ‘dim’ chord constitutes a special case, containing both diminished seventh and fifth, and is most frequently indicated by dim placed straight after the root note name, sometimes by dim7, occasionally by o or o7 (table 2: 7d).
Chords containing elevenths presuppose the presence of a ninth, and thirteenth chords the presence of an eleventh as well as a ninth, all in addition to a seventh and the major or minor triad of the root note.
www.tagg.org /articles/epmow/leadsheetchords.html   (2512 words)

  
 Music:Chords - Wikibooks, collection of open-content textbooks
All triads and 4-voice chords are built within the octave, or eight-note scale which encompasses the do-re-mi-fa-sol-la-ti-do of the major scale, for instance, or the scale steps 1-2-3-4-5-6-7-8; eight being the octave where the pattern starts over again.
When a chord is referred to as simply a seventh chord, usually the dominant seventh is meant, which is a major triad with a minor seventh, for instance, C-E-G-Bb.
The Neapolitan chord, for example, is an ordinary major chord, but its root is the lowered supertonic of the corresponding key, so the the Neapolitan of C major is a Db major chord.
en.wikibooks.org /wiki/Music:Chords   (1223 words)

  
 MMC presents... Dansm's Guitar Chord Theory: Seventh Chords
Seventh chords consist of a note added to the top of a major or minor chord.
For example, your basic E chord consists of E, G#, and B. If you add a minor seventh to an E (the minor seventh of E is D), you have an E7 chord.
Major seventh chords are similar to normal seventh chords except they contain a major seventh (five whole steps and one half step) instead of a minor seventh.
www.geocities.com /mike_mccracker/chords/seventh.htm   (417 words)

  
 The Augmented 15th Chord - An Unseen Gem in the History of Music Harmony - Enrique Ubieta   (Site not responding. Last check: 2007-10-17)
Although the augmented-fifteenth chord should not be subject to any sort of alteration, it could, however, be reduced to seven or six of its eight notes by eliminating the fifth degree of one or both tetrads of the chord, respectively.
Therefore, this union consisting of both seventh chords could have been of great historical importance to music, considering it represented a genealogical relationship between an ancestor (the dominant major-seventh chord) and its analogous descendant (the secondary major-seventh chord), which has ever since habitually practiced its harmonic function over the first and fourth degrees of tonality.
Had this chord, however, stood out with this crowning overtone at the start of the 20th century, we would probably be pointing it out today as the first tertian chord of superimposed thirds to build onto its structure a representation of the microtonal gamut, without losing its impressionist harmonic features.
www.ubieta.com /15chord/augmented_15th_chord_article.htm   (1215 words)

  
 Seventh chords
Seventh chords are merely triads (root, third, and fifth) with the note an interval of a seventh above the root added.
The seventh chords built on ii, iii, and vi are minor-minor seventh chords.
Notice in the V7 chord, there are two dissonant intervals: the minor seventh between the root and the seventh, and the diminished fifth between the third and the seventh.
www.musictheoryresources.com /members/FA_seventh_chords.htm   (436 words)

  
 TonalityGUIDE: diminished seventh chords   (Site not responding. Last check: 2007-10-17)
As shown in Example d), a minor vii7 - or diminished seventh chord - has the same sounding interval structure of three stacked minor thirds whatever inversion you use (although one of the intervals is a written augmented second).
Chord vii in both major and minor often resolves onto I. This function is sometimes called dominant substitution - the diminished seventh takes over the role usually played by the dominant in a perfect cadence.
Chord vii consists of the same notes as a dominant seventh (V7) but without the root of this chord.
www.tonalityguide.com /xxdim7.php   (310 words)

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