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Encyclopedia > Minor second

A minor second is the smallest of three commonly occuring musical intervals that span two diatonic scale degrees; the others being the major second and the augmented second, which are larger by one and two semitones respectively. The minor second is abbreviated as m2 and its inversion is the major seventh. In music theory, an interval is the difference (a ratio or logarithmic measure) in pitch between two notes and often refers to those two notes themselves (otherwise known as a dyad). ... Jump to: navigation, search In music theory, a diatonic scale (from the Greek diatonikos, to stretch out) is a seven-note musical scale comprising five whole-tone and two half-tone steps, in which the half tones are maximally separated. ... Jump to: navigation, search A major second is one of three commonly occuring musical intervals that span two diatonic scale degrees; the others being the minor second, which is one semitone smaller, and the augmented second, which is one semitone larger. ... The musical interval of a minor third is the relationship between the first note (the root or tonic) and the third note in a minor scale. ... The musical interval of a half step, semitone, or minor second is the relationship between the leading tone and the first note (the root or tonic) in a major scale. ... In music theory, the word inversion has several meanings. ... The musical interval of a Major seventh the first note (the root or tonic) and the seventh, the leading tone, in a major scale. ...

A minor second in just intonation most often corresponds to a pitch ratio of 16/15 or 1:1.0666, or various other ratios, while in an equal tempered tuning a minor second is equal to one semitone, and is a ratio of 1:21/12 (approximately 1.059), or 100 cents, 11.731 cents flat of 16:15. Just intonation is any musical tuning in which the frequencies of notes are related by whole number ratios. ... Equal temperament is a scheme of musical tuning in which the octave is divided into a series of equal steps (equal frequency ratios). ... The cent is a unit in a logarithmic scale of relative pitch or intervals. ... Alternate uses: Flat (disambiguation) Figure 1. ...

Traditionally the minor second is considered the most dissonant interval after the tritone. Jump to: navigation, search Dissonance has several meanings, all related to conflict or incongruity. ... The augmented fourth between C and F# forms a tritone. ...

According to Carl Dahlhaus (1990), "as late at the 13th century the half step was experienced as a problematic interval not easily understood, as the irrational remainder between the perfect fourth and the ditone [4/3 / (9/8)2 = 256/243!]." In a melodic half step, no "tendency was perceived of the lower tone toward the upper, or of the upper toward the lower. The second tone was not taken to be the 'goal' of the first. Instead, the half step was avoided in clausulas because it lacked clarity as an interval." Beginning in the 13th century cadences begin to require motion in one voice by half step and the other a whole step in contrary motion. Carl Dahlhaus (June 10, 1928- May 1989), a musicologist from Berlin, has been one of the major contributors to the development of musicology as a scholarly discipline during the post-war era. ... The musical interval of a ditone is literally two tones, whole tones or major seconds, often called a major third. ... In Western musical theory a cadence (Latin cadentia, a falling) is a particular series of intervals (a caesura) or chords that ends a phrase, section, or piece of music. ... In Western musical theory a cadence (Latin cadentia, a falling) is a particular series of intervals (a caesura) or chords that ends a phrase, section, or piece of music. ...

Minor second
# semitones Interval class # cents in equal temperament Most common diatonic name Comparable just interval # cents in just interval Just interval vs. equal-tempered interval
1 1 100 minor second 16:15 112 12 cents larger
Other diatonic intervals
unison | minor second | major second | minor third | major third | perfect fourth | tritone | perfect fifth | minor sixth | major sixth | minor seventh | major seventh | octave

## Source

• Dahlhaus, Carl, trans. Gjerdingen, Robert O. (1990). Studies in the Origin of Harmonic Tonality. Princeton University Press. ISBN 0691091358.

Results from FactBites:

 Minor second - Wikipedia, the free encyclopedia (266 words) A minor second is the smallest of three commonly occuring musical intervals that span two diatonic scale degrees; the others being the major second and the augmented second, which are larger by one and two semitones respectively. The minor second is abbreviated as m2 and its inversion is the major seventh. A minor second in just intonation most often corresponds to a pitch ratio of 16/15 or 1:1.0666, or various other ratios, while in an equal tempered tuning a minor second is equal to one semitone, and is a ratio of 1:2
 Minor seventh - Wikipedia, the free encyclopedia (145 words) The musical interval of a minor seventh the first note (the root or tonic) and the seventh in a minor scale. A minor seventh in just intonation most often corresponds to a pitch ratio of 9:5 or 1:1.8, or various other ratios, while in an equal tempered tuning it is a ratio of 1:2 The minor seventh is considered the most dissonant interval after its inversion the Major second, the Major seventh, and the minor second.
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