Am 21.03.2017 um 11:44 schrieb Malte Meyn:
> Or if you don’t want variants for all \grace variants (i. e. \grace,
> \slashedGrace, \appoggiatura, \acciaccatura, \afterGrace), just make a
> function that takes a music expression and scales it to 1. Maybe this
> could also be nice for cadenza-like things in real time notes (if you
> combine it with \newSpacingSection or a duration argument):
>
> […]
scaleToLength =
#(define-music-function (dur mus) (ly:duration? ly:music?)
(let* ((real-len (ly:music-length mus))
(mom (ly:duration-length dur))
(ratio-mom (ly:moment-div mom real-len))
(ratio (cons (ly:moment-main-numerator ratio-mom)
(ly:moment-main-denominator ratio-mom))))
#{
\scaleDurations #ratio #mus
#}))
% from Chopin’s Nocturne op. 15 No. 2
\new PianoStaff <<
\new Staff \relative {
\time 2/4
\key fis \major
\teeny
\scaleToLength 2 {
b'8([ ais b) ais( a gis) a( gis a) gis( g fis) g( fis g)
fis\( f e eis fis eis dis( eis fis) ais( gis eis fis dis gis)\)]
}
}
\new Staff \relative {
\clef bass
\key fis \major
<< { s8 d4 } \\ { fis,8( d' <gis b> cis,) } >>
}
>>
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