I generate lists of frequencies which I would like to notate in
lilypond and write the frequencies under each note. The following
code fails with:
define process notate-scale(str)
run for i in str
begin with
k = keynum(i, :hz),
output make(<note>,
off: now(),
note: k,
dur: 1,
marks: {{:textnote i :down}}
)
wait 1
end
end
>>> Lisp runtime error: Found (:TEXTNOTE I :DOWN), expected valid/unique mark
>>> in MARKS slot of note at offset 6.0, part NIL
(BTW, copying and pasting between Grace and the rest of the world, at
least on my Linux version, is impossible).
I am sure that I am overlooking something simple because the same code
works if, instead of the local variable, I pass a string in quotes. I
would appreciate any light ...
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