Re: Calculating Tempi for midi output

[Graham Percival]

Thanks, feature request added as
http://code.google.com/p/lilypond/issues/detail?id=319

Cheers,
- Graham

live action wrote:
> I was wondering if the metronome number in a \tempo command could be a scheme 
> number.  This would make it easier to do effects for fermata and ritards and 
> relative tempo changes, in midi files.
>
> For example, it would be nice to be able to do something like this:
>
> ----------------
> #(define base-tempo 100)
>
> \tempo 4 = #base-tempo
>
> % some music
> % insert markup for "half note = dotted quarter" metronome mark
> % and override so the following is invisible in the score
>
> \tempo 4 = #( / ( * base-tempo 3) 4)
> ---------------
>
> This way, one could change the base tempo in one place, and all the tempi would 
> adjust automatically.
>
> I'm guessing from the error messages I get when I try this, that  this is a 
> feature request, but it would be awesome to be able to do this.
>
>  	 
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