Samuel,
First remove the { } around the \change Staff commands.
Mark
From: lilypond-user [mailto:[email protected]]
On Behalf Of Samuel Cederlund
Sent: Monday, September 11, 2017 5:22 AM
To: [email protected]
Subject: Tuplets and cross-staff beams
Hello all,
I have a piece of code that causes lilypond to say
Drawing systems...lilypond: ../flower/include/drul-array.hh:35: T&
Drul_array<T>::at(Direction) [with T = double]: Assertion `d == 1 || d == -1'
failed.
the code is as follows:
\tuplet 3/2 4 {
<b b'>8 { \change Staff = "upper" } cess'''8[ b] ass e ess d
{ \change Staff = "lower" }
cess b ass e ess }
in the left hand of of the piano staff. The right hand has the same notes but
one octave higher. Appreciate any help,
greetings
Samuel
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