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Inverse | perfect fifth |
---|---|
Name | |
Other names | Compound fourth |
Abbreviation | P11 |
Size | |
Semitones | 17 |
Cents | |
12-Tone equal temperament | 1700.0 |
Inverse | diminished fifth |
---|---|
Name | |
Abbreviation | A11 |
Size | |
Semitones | 18 |
Cents | |
12-Tone equal temperament | 1800.0 |
In music or music theory, an eleventh is the note eleven scale degrees from the root of a chord and also the interval between the root and the eleventh. The interval can also be described as a compound fourth, spanning an octave plus a fourth.[1]
Since there are only seven degrees in a diatonic scale the eleventh degree is the same as the subdominant.
The eleventh is considered highly dissonant with the major third.
A perfect eleventh is an eleventh which spans exactly 17 semitones.