In LilyPond terms, in
namedMusic = { ... }
'namedMusic' is called a variable, identifier or macro.
Normal LilyPond behaviour is
aaa = { c4 d e f }
bbb = { a4 a a a \aaa b4 b b b }
\score { \bbb }
This produces { a4 a a a c4 d e f b4 b b b } .
Now I want to re-use bbb with a different value of aaa. Like a real
variable as known from other programming languages.
aaa = { c4 d e f }
bbb = { a4 a a a \aaa b4 b b b }
\score { \bbb } % a4 a a a c4 d e f b4 b b b
aaa = { f4 e d c }
\score { \bbb } % a4 a a a f4 e d c b4 b b b
Of course, this does not work. But I'm sure it can be made to work with
some schemish tweaks beyond my current capabilities.
This works, but it's not elegant.
bbb =
#(define-music-function
(parser location)
()
#{
a4 a a a \aaa b4 b b b
#})
Putting the contents of bbb in a include file also works.
Do you have better (simpler, more elegant) suggestions?
-- Johan
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