Re: Changing notehead sizes within chords

[Klaus Blum]

Hi David, 

you could start a new voice like this:
  \new Voice  % add this line...
  \leadVoice
but this will lead to new problems: an additional slur and warnings about
colliding note columns.

Overriding the notehead size will always work for the entire chord. That's
why only the tweak will work on single note heads. 

You can write a function just to abbreviate the multiple tweaks:

% -----------------------------------------------------

\version "2.18.2"

t = #(define-music-function (parser location music) (ly:music?)
       #{ \tweak font-size #-3  #music  #})

%% Lead voice with backing harmony voices

leadVoice = \relative c'' { c4( d e2 ) }
bkgdVoiceI = \relative c'' { \t g4( \t b \t c2 ) }
bkgdVoiceII = \relative c'' { \t e4( \t f \t g2 ) }

%% Desired output

\new Voice \relative c'' {
  <\tweak font-size #-3 g c \tweak font-size #-3 e >4(
  <\tweak font-size #-3 b d \tweak font-size #-3 f >
  <\tweak font-size #-3 c e \tweak font-size #-3 g >2 )
}

%% Actual output

\new Voice <<
  \bkgdVoiceII
  \leadVoice
  \bkgdVoiceI
>>

% -----------------------------------------------------

Maybe there's a way to have a function tweak all the notes in a music
expression, but that's far beyond my scheme knowledge.

Cheers, 
Klaus



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