SVP Notes Index
NEUTRAL THIRDS & SIXTHS, INVERSIONS
Text: Subject: Re: Keely quote Date: Thu, 4 Jul 2002 14:18:30 +0100
From: "lui"
To: dalesvp@qwest.net, "Lynda Susoni"
References: 1 , 2 , 3 , 4
A nuetral third is a nuetral sixth of course!
I have just got this little example together to show the idea of inversions. The first bar show the Major 3rd becoming the minor 6th . There must always be two points to take into account when working out an interval. The major 3rd here is created by the movement of C to E. When the E is dropped by one octave it becomes a minor 6th in relation to the same point , that of C. So E to C is now a minor 6th. Same rule applies for the rest.
The 1/4 above the Eb and Bb notes means that they are quarter tones. From what I can see a Nuetral third can only be a Nuetral sixth,. The sixth falls in between Major and Minor as does the third.
Inverting intervals greater than the octave requires a similar reckoning but one must learn to take the octave into account. We can say that the inversion of a Major 2nd is a Minor 7th. Then adding an octave onto the Major 2nd we get a Major 9th.
C to D = Maj 2nd + octave = Major 9th
Inversion:
D to C = minor 7th + octave = octave plus minor 7th! Nobody I know would call it a minor 14th!
I am not trying to confuse you so I can get another gif together to show this. So, inverting a Major 9th one gets a Minor 14th.
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