Hi, Hilary!
On Sat, Feb 3, 2018 at 9:42 PM Hilary Snaden <[email protected]> wrote:
> I have been trying to get LilyPond to generate MIDI versions of some
> piano music. The music script renders nicely, and there are no errors or
> warnings, but the MIDI file plays with no dynamics at all. What am I
> doing wrong? (LilyPond 2.18.2.)
>
> \score {
> \unfoldRepeats
> \new Staff
> <<
> { \tempo 4=86 }
> \new Voice = "v1" {
> \set Staff.midiInstrument = "Acoustic grand"
> \set Staff.midiMinimumVolume = #0.2
> \set Staff.midiMaximumVolume = #0.8
> \upper
> }
> \new Voice = "v2" {
> \set Staff.midiInstrument = "Acoustic grand"
> \set Staff.midiMinimumVolume = #0.2
> \set Staff.midiMaximumVolume = #0.8
> \lower
> }
> \new Dynamics \pianodynamics
> >>
> \midi { }
> }
In order for dynamics to affect the notes, they need to be directly
attached to them. Since this score is solely for playback, instead of
creating a separate dynamics context (which is really more helpful for the
engraving part), make \pianodynamics simultaneous with the variables \upper
and \lower *within the Voice contexts*. So, something like this:
\new Voice { ... } <<
\upper
\pianodynamics
>>
and remove the Dynamics context completely since it doesn’t have a direct
affect on playback.
Hope that helps,
Abraham
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