Folks,
I sometimes enter music which consists of a lot of "patterns" where
(relatively complicated) constructions of beams, tuplets etc. are used
repeatedly with changing pitches. Of course I'd like to put those in a
function.
For instance, in a Mozart symphony I have
r16 \once \omit TupletBracket \tuplet 3/2 { c32([ e g] } c16) c-!
all over the place. So, I want do define a function \pat that takes
\pat c e g c
and creates just this pattern.
QUESTION: I am under the impression that, since I want to give only
pitches to the function, I have to create the music in Scheme, and hence
I do not know how to attach the various articulations etc. other than in
Scheme. Hence, my function now reads:
pat = #(define-music-function
(pa pb pc pd)
(ly:pitch? ly:pitch? ly:pitch? ly:pitch?)
#{
r16
\once \omit TupletBracket
\tuplet 3/2 {
#(make-music 'NoteEvent
'duration (ly:make-duration 5)
'pitch pa
'articulations (list
(make-music 'SlurEvent 'span-direction -1)
(make-music 'BeamEvent 'span-direction -1)
)
)
#(make-music 'NoteEvent 'duration (ly:make-duration 5)
'pitch pb)
#(make-music 'NoteEvent 'duration (ly:make-duration 5)
'pitch pc
'articulations (list (make-music 'BeamEvent
'span-direction 1))
)
}
#(make-music 'NoteEvent
'duration (ly:make-duration 4)
'pitch pd
'articulations (list (make-music 'SlurEvent
'span-direction 1))
)
#(make-music 'NoteEvent
'duration (ly:make-duration 4)
'pitch pd
'articulations (list
(make-music 'ArticulationEvent
'articulation-type "staccatissimo"
))
)
#}
)
Works like a charm, but I admit that I find the definition quite tedious
(me being a non-Schemer, essentially), especially I think that I only
realized part of -! in my articulation definition (the MIDI part being
omitted).
What I really would like to have is something like:
pat = #(define-music-function
(pa pb pc pd)
(ly:pitch? ly:pitch? ly:pitch? ly:pitch?)
#{
r16 \once \omit TupletBracket \tuplet 3/2 { #pa 32([ #pb
#pc] } #pd 16) #pd-!
#}
)
But of course this does not work since pitch #pa and 32([ do not glue
together.
Is there some easy way to define the function I want? My present
solution (see above) takes almost as much time to write and debug that I
often wonder if I shouldn't just to copy and paste in frescobaldi and
change pitches along the way ...
Best
Lukas
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