Re: partial in the middle of piece

[tisimst]

This probably isn't a permanent solution, but it seems to get the job done
and it's simple:

midpartial = 
#(define-music-function (parser location music)
   (ly:music?)
   #{
     \cadenzaOn
     #music
     \cadenzaOff
   #})

upper = { 
  \time 4/4 
  \partial 4 c'4 
  c'1 
  c'1
  \midpartial c'4 \bar "|"
  c'1 
  c'1 
} 

lower = { 
  \time 4/4 
  \partial 4 r4 
  R1 
  R1 
  r4  % explicitly putting "\midpartial" here is unnecessary, but may be
visually helpful.
  R1 
  R1 
} 

\score { 
  \new PianoStaff << 
    \new Staff = "upper" \upper 
    \new Staff = "lower" \lower 
  >> 
}

The only thing I've noticed from this is that because the cadenza macro
temporarily turns off timing, automatic beaming is also turned off. There
may be other implications to doing it this way, but other than that, you can
put whatever you want after \midpartial as long as it's in brackets {...} if
more than one note/object is used, like:

  \midpartial { c'8 [ d' ] } \bar "|"

You could even put the '\bar "|"' inside the music function (after "#music")
so that it's unnecessary to explicitly use it in the body of the music:

midpartial = 
#(define-music-function (parser location music)
   (ly:music?)
   #{
     \cadenzaOn
     #music \bar "|"
     \cadenzaOff
   #})

Just my two cents.

-Abraham



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