On 25 Apr 2005, at 8:23 PM, dhbailey wrote:
Darcy James Argue wrote:Hi Bill,
There's no F in C13. If you were to add an 11th to the chord, it would be the sharp 11th -- F#.
That's funny -- I was taught that you were supposed to add every odd interval up until the one indicated, so the chord would be 1, 3, 5, 7, 9, 11, 13. Where is it written that for a 13th chord we should leave out the 11th?
Here:
"On a dominant 13th chord, leave out the 11th."
And why would it have to be a #11 if we were to include it?
Because that's the interval that is consonant with a dominant function C13 chord.
The natural 11 against a C13 is dissonant -- an "avoid note" as we say. It creates a very dissonant minor ninth above the chord third (E).
C-13 takes a natural eleventh, because the natural 11th is not dissonant against the chord third (Eb).
- Darcy ----- [EMAIL PROTECTED] Brooklyn, NY
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