https://www.w3.org/2021/06/musicxml40/tutorial/structure-of-musicxml-files/

https://guidodoc.grame.fr/ https://www.npmjs.com/package/@grame/libmusicxml

https://opensheetmusicdisplay.org/demos/public-typescript-demo/ https://github.com/opensheetmusicdisplay/opensheetmusicdisplay

https://github.com/0xfe/vexflow https://www.vexflow.com/ https://github.com/0xfe/vexflow/wiki/Tutorial

https://tonejs.github.io

https://www.alphatab.net

https://abcnotation.com/ https://abcwiki.org/abc:syntax https://kmgoto.jp/public/ABC/

brew install lilypond
lilypond 1.ly

https://lilypond.org/ https://lilypond.org/manuals.html https://lilypond.org/doc/v2.24/Documentation/snippets/percussion https://lilypond.org/doc/v2.23/Documentation/notation/percussion-notes https://lilypond.org/doc/v2.24/Documentation/learning/simple-notation#pitches https://lilypond.org/doc/v2.24/Documentation/learning/simple-notation#durations-_0028rhythms_0029 https://lilypond.org/doc/v2.24/Documentation/learning/simple-notation#rests https://lilypond.org/doc/v2.24/Documentation/learning/multiple-notes-at-once https://lilypond.org/doc/v2.24/Documentation/learning/music-expressions-explained#simultaneous-music-expressions-single-staff https://lilypond.org/doc/v2.23/Documentation/notation/the-layout-block

https://lilypond.org/doc/v2.24/Documentation/usage/index.html https://lilypond.org/doc/v2.24/Documentation/learning/tutorial https://lilypond.org/doc/v2.22/Documentation/usage/invoking-musicxml2ly https://lilypond.org/doc/v2.24/Documentation/notation/cheat-sheet

GUI: brew install frescobaldi https://frescobaldi.org/

pip install python-ly ly musicxml p04.ly > p04.musicxml https://python-ly.readthedocs.io/en/latest/command.html#commands fails. requires python 2?

https://github.com/danigb/smplr https://danigb.github.io/smplr/

lilypond from source

https://lilypond.org/doc/v2.25/Documentation/contributor/compiling tar -xzf lilypond-2.25.9.tar.gz cd lilypond-2.25.9 mkdir build/ cd build/ ../autogen.sh --noconfigure

vex flox

https://www.vexflow.com https://0xfe.github.io/vexflow/api/ https://github.com/0xfe/vexflow/wiki/Using-EasyScore https://github.com/0xfe/vexflow/wiki/Tutorial https://github.com/0xfe/vexflow/blob/master/tests/percussion_tests.ts

upper case notes, relative mode apparently pitches in uppercase beams are manual wrap notes inside score.beam()

/q ~ /4 (quarter note) /8 8th /16 16th add yet a third part /r to render a rest in the location of the original pitch