av = #(define-music-function (parser location x) (ly:music?)
#{
\changePitch \samePitch { c8 ~ c4 } $x
#})
But of course, for this example, this will work without any added file :-)
av = #(define-music-function (parser location x) (ly:pitch?)
#{
$x 8 ~ $x 4
#})
\new Staff \relative c' {
c4. \av es f4
fis4. \av fis g4
}
--
Gilles
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