Ninth
Musical interval / From Wikipedia, the free encyclopedia
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This article is about the musical interval. For the ordinal of 9, see 9. For the chord, see Ninth chord. For the curse, see Curse of the ninth. For the symphony, see Symphony No. 9 (Beethoven). For the 2011 albums, see Ninth (Peter Murphy album) and Ninth (The Gazette album).
In music, a ninth is a compound interval consisting of an octave plus a second.
Quick Facts Inverse, Name ...
Inverse | minor seventh |
---|---|
Name | |
Other names | compound second |
Abbreviation | M9 |
Size | |
Semitones | 14 |
Cents | |
12-Tone equal temperament | 1400.0 |
Close
Quick Facts Inverse, Name ...
Inverse | major seventh |
---|---|
Name | |
Abbreviation | m9 |
Size | |
Semitones | 13 |
Cents | |
12-Tone equal temperament | 1300.0 |
Close
Like the second, the interval of a ninth is classified as a dissonance in common practice tonality. Since a ninth is an octave larger than a second, its sonority level is considered less dense.[1]