Re: how to created related tempo marks

[Simon Albrecht]

On 09.06.2018 12:44, Stefan Thomas wrote:
> I would like to create related tempo marks. For example, in bar 1 I 
> would like to have a tempo 4=60, some bars later tempo 4=90.
> The tempi are in the proportion 3/2. I would like to write something like
>
>     TempoA = {\tempo 4 =60}
>     TempoB = \TempoA*1.5
>
> I want to create a midi-file with metronome clicks of a piece with 
> many time signature and tempo changes and I want to practise with this 
> file. I want to be able to practise in different tempi and I don't 
> want to retype all the tempo changes again and again.
> Is it possible to define tempo-relations in scheme?

Hi Stefan,
how about this?

%%%%%%%%%%%%%%
bpmA = 60

{
  \tempo 4 = \bpmA
  c'1
  \tempo 4 = #(* 3/2 bpmA)
  c'
}
%%%%%%%%%%%%%%

Best, Simon