Hi,
I guess this is an easy one for more experienced users than me.
I am trying to port an older Lilypond file (v.2.8) to 2.14.2 and am
having trouble with the scope of a macro whose purpose is to switch
staffs in a PianoStaff that is part of a score for flute and piano. My
original setup used to work and was taken more or less literally from
example A.2.2 in
http://lilypond.org/doc/v2.14/Documentation/learning/piano-templates (or
rather its incarnation in the 2.8 docs).
The macros I have defined are:
u = { \change Staff = "right" \stemDown }
U = { \change Staff = "right" \stemUp }
l = { \change Staff = "left" \stemUp }
and the basic structure of my Lilypond file is given by the layout
generated by Frescobaldi as reproduced at the bottom of this message
(abridged but hopefully without loss of generality).
The error I get when compiling is the following:
Parsing...
Interpreting music...
[...]
l = {
\change Staff = "left" \stemUp }
warning: cannot find context to switch to
u = {
\change Staff = "right" \stemDown }
warning: cannot find context to switch to
etc. The resulting score is displayed, but the sections affected by the
macro are pasted outside the actual score as loose snippets.
Where do I have to put the macros, and how do I have to define them to
make things work again?
Thanks,
Thomas
% input file skeleton
\version "2.14.2"
\header {
title = "Sonatine für Querflöte und Klavier"
}
\paper {
#(set-paper-size "a4")
}
% <--- here come those macros
scoreAGlobal = {
\key c \major
\numericTimeSignature
\time 3/8
\tempo "Moderato"
}
scoreAFlute = \relative c'' {
\scoreAGlobal
% Music follows here.
}
scoreARight = \relative c'' {
\scoreAGlobal
% Music follows here.
}
scoreALeft = \relative c' {
\scoreAGlobal
% Music follows here.
}
scoreAFlutePart = \new Staff \with {
instrumentName = "Flöte"
midiInstrument = "flute"
} \scoreAFlute
scoreAPianoPart = \new PianoStaff \with {
instrumentName = "Klavier"
} <<
\new Staff = "right" \with {
midiInstrument = "acoustic grand"
} \scoreARight
\new Staff = "left" \with {
midiInstrument = "acoustic grand"
} { \clef bass \scoreALeft }
>>
\score {
<<
\scoreAFlutePart
\scoreAPianoPart
>>
\header {
piece = "II."
}
\layout { }
\midi {
\context {
\Score
tempoWholesPerMinute = #(ly:make-moment 150 8)
}
}
}
% and so on with B,C,D for three other movements
--
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