Le vendredi 02 février 2024 à 20:29 +0100, Éric Würbel a écrit : > Hi fellow listers > > (from a long time user and enthusiast of lilypond from the very first > released version), > > The recent introduction of so called "chord grids" is a long awaited > feature for me, amateur musician mainly involved in music requiring > improvisation. > > In particular, the ChordGrid context allows customization of the > rendering of grid cells, and proposes a \medianChordGridStyle which > adhere to a de facto standard of harmonic grids rendering. > > But this style is limited. By default, for 4/4 time signature, it only > proposes a median cut of a cell when there is one chord per quarter note > (1/4 1/4 1/4 1/4 pattern). In cases like 1 chord for two beats and the > two next chords for one beat each (1/2 1/4 1/4), it rolls back to the > "diagonal" notation (and I agree with Philippe Baudoin, this notation is > a real mess). > > I quickly hacked a modification (at scm level) to handle properly the > following patterns : > - 1/2 1/4 1/4 > - 1/4 1/4 1/2 > - 3/4 1/4 > - 1/4 3/4 > > Which are, in the context of 4/4 jazz, the most commonly encountered. > > I am currently working on Balkan music patterns with asymetric time > signatures, like 11/8, 7/8, etc, but I wait before proposing something, > because I suspect that the general problem has something in common with > the beaming grouping problem, so I want to be able to propose something > consistent with the automatic beam grouping approach. > > How can submit a patch ? forking the master branch and submitting a pull > request ? > > Thank you. > > Regards. > > Éric
Adding Vincent in CC. I don't know much about jazz, I basically implemented this notation from his instructions.
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