unfoldRepeats for midi - a little hack.

[Gilles THIBAULT]

Here is a possible solution for the problem you get when you put all your 
\repeat volta  structure in a separate variable (often named global)  and 
then you want unfold all your music (for MIDI output for
example).
.

The "globalizeMusic.ly" (see joined files ) proposes a function
\globalizeMusic that can be used like this :
%%
\globalizeMusic \global
   \new StaffGroup
       {<<
               \new Staff  \musicA
               \new Staff  \musicB
       >>}
%%
it will have the same effects than
%%
   \new StaffGroup
       {<<
               \new Staff  <<\global \musicA>>
               \new Staff  <<global \musicB>>
       >>}
%%
BUT all the  \repeat volta .. will be copied inside each Staff 
so that you 'll get the right music when you call \unfoldRepeats.

Hope it will be usefull.

Gilles

NB
"globalizeMusic.ly" uses "extractMusic.ly" described here :
http://lsr.dsi.unimi.it/LSR/Item?id=542

extractMusic.ly
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globalizeMusic.ly
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Test.ly
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