Re: Off-topic: Automatically create rehearsal files from SATB midi file

[David Kastrup]

David Kastrup <address@hidden> writes:

> Johan Vromans <address@hidden> writes:
>
>> Colin Campbell <address@hidden> writes:
>>
>>> You're on the right track with File|New Score With Wizard. The Parts
>>> tab has a section for Vocal and under it, you should choose Choir.
>>> That opens a set of parameters on the right side of the panel, and
>>> among them is the option to generate rehearsal MIDI files.
>>
>> Okay, found it. I'm gonna give this a try.
>>
>> Do you know why \rehearsalMidi requires the lyrics? It doesn't seem to
>> serve a purpose.
>>
>> BTW: Whoever maintains the new score wizard: the "s1*0\f" trick to get
>> the midi volume right is no longer necessary for LilyPond 2.18.
>
> For templates, I'd strongly advise against s1*0 anyway.  Better use <>
> (namely, a chord without content) which does not set the default
> duration to something that will cause serious headaches when following
> material relies on a default information.  For example, if you write
>
>
> \new Voice << { g a b c' } { <>\f } >>
> \addlyrics { Is this for real? }

Argh.  The above is the _fixed_ version.  The defective version is, of course:

\new Voice << { g a b c' } { s1*0\f } >>
\addlyrics { Is this for real? }

The rest stands:

> you get
>
> /tmp/rup.ly:2:17: warning: Two simultaneous lyric events, junking this one
> \addlyrics { Is 
>                 this for real? }
> /tmp/rup.ly:2:14: warning: Previous lyric event here
> \addlyrics { 
>              Is this for real? }
> /tmp/rup.ly:2:22: warning: Two simultaneous lyric events, junking this one
> \addlyrics { Is this 
>                      for real? }
> /tmp/rup.ly:2:14: warning: Previous lyric event here
> \addlyrics { 
>              Is this for real? }
> /tmp/rup.ly:2:26: warning: Two simultaneous lyric events, junking this one
> \addlyrics { Is this for 
>                          real? }
> /tmp/rup.ly:2:14: warning: Previous lyric event here
> \addlyrics { 
>              Is this for real? }
>
> And no lyrics at all appear.  Using <> instead of s1*0 does not have the
> problem.
>
> Since a template is _supposed_ to be augmented by the user, it's better
> to use elements that carry fewer surprises with them.
>
> <> as a means to anchor events on should work for LilyPond versions
> reaching back into ancient history.

-- 
David Kastrup