replace notehead gylph with a TEX symbol

[José Luis Cruz]

Hello, 

I'm sure that this is covered in "apply-output.ly", in the
regression test page, but i don't understand that mess of
undocumented scheme code :)

Could any good man give me an example of a basic piece of code
for replacing a notehead glyph with another Feta glyph and/or TEX
symbol?


I'm not talking about changing the #'style. I need to replace the
noteheads (and other grobs, but a notehead is ok) with circled
numbers, maths symbols, and rotate them, and so on. With a basic
example i'll be perfect.


Many Thanks for your help. I'm keeping working on that fingerboard
made with lilypond, but i need to rethink the code because it's very
fragile now, and it's difficult to add new features or change
minimally the code ;) If you wanna take a look, here it is.



José Luis

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