Issue 687: Enhancement: inequal MIDI quantization of equal durations
(swing, rubato)
http://code.google.com/p/lilypond/issues/detail?id=687
New issue report by v.villenave:
% In jazz or baroque music, equal values (like eighth notes) may be
% written equallly but are not to be played equally (the "swing" thingy).
% Peter Chubb said:
I think it's a bit hard to do in Scheme (need to do look-ahead in the list
of chords).
What I'd like to see is a general rubato function, that:
1. takes a parameter (maybe call it `swing') that lengthens on-beat
phrases, and shortens off-beat phrases by the same amount (so convert
a8 b to \times 2/3 { a4 b8 } or { a8 b16 c } to \times 2/3 {a4 b16 c}
or similar)
2. Within phrasing slurs does a slight accelerando into the phrase
and a slight decelerando to a-tempo at the end
% See also the discussion on
http://lists.gnu.org/archive/html/lilypond-devel/2008-09/msg00197.html
Issue attributes:
Status: Accepted
Owner: v.villenave
Labels: Type-Enhancement Priority-Postponed
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