Re: Double key signature

[Keith OHara]

Pierre Perol-Schneider <pierre.schneider.paris <at> gmail.com> writes:

> On the french list we are working on a Merulo score with an 8 lines 
staff, 2 clefs and 2 key signature 

> As you can notice, I still have to manually set the distance between the 
key signatures.

LilyPond supports custom key signatures, and will print this for d\minor
if you ask for an extended range of printed flats:

 \new Staff
  \with {  
    \override StaffSymbol.line-count = #8
    \override KeySignature.flat-positions = #'((-7 . 6))
    \override KeyCancellation.flat-positions = #'((-7 . 6))
    % presumably sharps are also printed in both octaves
    \override KeySignature.sharp-positions = #'((-6 . 7))
    \override KeyCancellation.sharp-positions = #'((-6 . 7))
  \override Clef.stencil = #
  (lambda (grob)(grob-interpret-markup grob 
  #{ \markup\combine 
    \musicglyph #"clefs.C" 
    \translate #'(0.9 . -2) \musicglyph #"clefs.F" 
   #}))
    clefPosition = #1
    middleCPosition = #1
    middleCClefPosition = #1
  } {
  \key d\minor
  \time 4/4 R1
 }

You might like \translate, in units of staff spaces, in place of \vspace.