Josiah Boothby schrieb:
I think you have to declare two variables: #(define-music-function (parser location trans notes) (ly:music? ly:music?) #{ \transpose c $trans { $notes } #})
Sorry, I forgot to answer to the list, but as my proposal doesn't work anyway, it doesn't matter.
The problem appears to be that \transpose is expecting a notename, not a variable, so this has the same problem, and doubled.
Searching in the archives, I found in http://lists.gnu.org/archive/html/lilypond-user/2007-09/msg00084.html that \transpose can't be used with variables, but there is (ly:music-transpose <music expression> <pitch>) which you could use instead. Marc
Thank you, Josiah
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