Re: \transposition question

[Simon Albrecht]

On 01.09.2017 12:09, Jacques Menu Muzhic wrote:
> Hello Simon,
>
> The 7 semitones are there anyways, since the <chromatic> markup is mandatory…

Of course it is, else you’d never know if it’s horns in F or in F# (yes, 
there is such a thing). But in addition you have the information that 
it’s 5 diatonic steps.

Best, Simon

> JM
>
> > Le 1 sept. 2017 à 10:23, Simon Albrecht <address@hidden> a écrit :
> >
> > On 01.09.2017 09:35, Jacques Menu Muzhic wrote:
> > > But then, why is the <diatonic> markup present in MusicXML?
> > A few days ago, in the Music Engraving Tips forum on Facebook, we had a discussion 
> > about why Čaikovskij spells what sounds a B major chord in the Horns in F as <fis 
> > bes cis>. In short: A# is very uncomfortable to play for horns, horns don’t use 
> > any written key signature anyway, etc. My point here is: MusicXML wants to avoid such 
> > enharmonic respellings by not specifying a fifth as 7 semitones, but as 5 diatonic 
> > steps amounting to 7 semitones. Or so I guess…
> >
> > Best, Simon