Re: F-flat Key Signature

[Hans Aberg]

On 19 Sep 2012, at 18:42, Urs Liska wrote:

>> Just write e-major and the musicans will be thankfull ;-).

> But F flat _is_ different from E, especially in its relationship to other, 
> 'normal' keys. F flat has a quite simple relation to G flat that might happen 
> in real music. So I'm happy that LilyPond offers to explicitely write it down 
> instead of refusing to do things, _she_ considers useless. Even if I'd 
> probably never use it …

Indeed, they are only equivalent in E12, and otherwise used as a notational and 
practical simplification, as Hindemith, "Elementary Training", p. 147, 
mentions. Strictly speaking, the pitch will slip. In E31 that would be one E31 
tonestep, 1200/31 or about 38.710 cents.

Hans