Re: Pentatonic Diatonic Transposition?

[Marc Hohl]

Am 21.01.2011 08:46, schrieb Basso Ridiculoso:
> Hello Marc,
>
> Danke für deine antwort zu meine frage! :)
>
> Its funny you point out those functins, because I have been looking at 
> that...but I have not been able to make it work. I hope you don't mind 
> a direct reply to your email.
No problem, but since others may encounter the same problem, it is 
better to discuss it on the
list, so I redirect the reply to -user.
> I don't believe I can define only a 5 note scale with his function, it 
> will only do 7 notes?
Sorry, I overlooked the term "pentatonic" in your first mail.
I think that heptatonic scales are somewhat "hardcoded" in lilypond, but 
I am not sure about this.
> And the only syntax example I have seen on using that is about 2 years 
> old and it isn't obvious what I would transpose.
>
> I have been working from this one..but no dice so far.
> http://article.gmane.org/gmane.comp.gnu.lilypond.general/43719/match=john+mandereau+transpose
>
> And here is where get lost
>
> % mix between lydian and mixolydian
> milydian = #`(
>    (0 . 0)
>    (1 . 0)
>    (2 . 0)
>    (3 . ,SHARP)
>    (4 . 0)
>    (5 . 0)
>    (6 . ,FLAT))
>
> melodie = \relative c' { \times 2/3 { cis8 d e } f2 }
>
>
>
> \new Staff {
>    \time 3/4
>    \melodie
>    \mode*Transpose*  g \milydian #-3 d' \lydian \melodie % IV ->  I
>    \mode*Transpose*  g \milydian #3 e' \lydian \melodie % IV ->  VII
>
>
> }
>
> So I guess I would define
> MyPentatonc = #`(
>    (0 . 0)      % the root a
>    (1 . ,SHARP) %to get c?
>    (2 . 0)      %the note d
>    (3 . 0)     %the note e
>    (5 . ,SHARP)) %the note g?
>
>
>
> This is assuming that the (1.0) distance is a whole step?
No. IMHO the first number is the number of the note within the scale,
whereas the second number is 0 when the note is not altered, otherwise
you have to wite ,FLAT or ,SHARP, respectively.

I don't think that pentatonic scales are supported as-is, but I could be 
wrong.
Perhaps anyone more familiar with the internals can chime in?
> So then, how do I say "diatonically transpose to 'mode' of g' within 
> that scale? I dont get what he is doing with the \modetranspose and 
> the \lydian etc. Do I have to define each mode of the pentatonic 
> somewhere as well?
>
> Thanks for answering so quick! Any help would be appreciate

Sorry for not being able to be more helpful...

Regards,
Marc