Re: question about transposing an interval of a 4th

[chip]

Graham Percival wrote:
> On Sun, Dec 21, 2008 at 11:26:16PM +1100, Cameron Horsburgh wrote:
>   
> > On Sat, Dec 20, 2008 at 11:49:10PM -0800, Graham Percival wrote:
> >     
> > > ... I really don't understand this question.  If you already know
> > > how to transpose from C to Bb, why on earth do you need to ask how
> > > to transpose from C to G ?!
> > >       
> > He wants it diatonic, so it's not that easy. \transpose c' g {a b c} 
> > would produce {e fis g} instead of {e f g}.
> >     
>
> Oops, I forgot my first-year theory.  In this case, he'd need to
> write a scheme function.  Actually, it wouldn't be hard at all...
> this is a perfect intro-level scheme tweak.
>
> I leave it as an exercise for the reader.  Neil, Trevor, Valentin:
> please don't give the answer.  :)
>
>   
Great, that helps a lot. I haven't got a clue what scheme is. I'm a 
musician, not a programmer. I don't even have years of music theory 
behind me - I play my instruments and do it well. Programming is for the 
brainiacs, of which I am not, and I am quite happy with that.
--
Chip

> > Even then, the extra \relative makes things get very messy:
> >     
>
> Then omit it.
>
> melody = {a b c d e f g}
>
> { \melody \\ { \transpose c' g \melody }}
>
> Cheers,
> - Graham
>
>
>