Check out chorddict-help.pd from rjlib: https://github.com/rjdj/rjlib/tree/master/rj

JN

On Sun, Nov 1, 2015 at 7:31 PM, William Huston <williamahuston@gmail.com> wrote:
>
> Before I reinvent the wheel, I'm wondering what people have done characterizing chord libraries?
>
> I'm looking for the root position constructions in terms of intervals for 3 and 4 note chords.
>
> I realize there are only a dozen or so which are mostly used, but just wondering what people have come up with.
>
> What would be really nice is to convert between things like:
>
> 1,3,5 -> "Major" -> 1,5,8
> 1,3b,5 -> "Minor" -> 1,4,8
> 1,4,5 -> "Sus4" -> 1,6,8
>
> I.e., Notes in scale,
> Common name, Interval map
>
> ... for all common 3 and 4 note chords. Like, given any one of those, can derive the others.
>
> Also would be nice given an interval map, be able to identify it as an inversion of a more basic chord, like:
>
> 1,5,8 -> Maj/root
> 1,4,9 -> Maj/1st inv
> 1,6,10 -> Maj/2nd inv
>
> Any pointers/ideas along these lines appreciated!
>
> Thanks
>
> --
> --
> May you, and all beings
> be happy and free from suffering :)
> -- ancient Buddhist Prayer (Metta)
>
>

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ᐧ