Prebuilt Documentation and packages are available from: http://lilypond.org LilyPond development is hosted at: http://savannah.gnu.org/projects/lilypond Here is a simple explanation of the directory layout for LilyPond's source files. . Toplevel READMEs, ChangeLog, build bootstrapping, patches for third party programs Documentation/ bibliography/ .bib files with references to books and articles misc/ Old announcements, ChangeLogs and NEWS pictures/ The logo topdocs/ Sources for the toplevel READMEs (README.txt, INSTALL.txt, NEWS.txt etc.) user/ User manuals po/ Translated manual node names fr/ es/ de/ Docs translated to French, Spanish, German, resp. elisp/ Emacs LilyPond mode and syntax coloring flower/ A simple C++ library input/ Music input examples lsr/ Snippets from the LilyPond Snippet Repository (auto-generated, do not modify!) manual/ Examples from the manual mutopia/ Real music, more at www.mutopiaproject.org new/ Snippets which are too new for LSR regression/ Testing of features, one test per file texidocs/ Translations of texidoc and doctitle fields (for input/lsr) tutorial/ Examples from the tutorial lily/ C++ sources for the LilyPond binary ly/ System music include files make/ Specific make subroutines and packaging for Red Hat-like distributions (.spec files) mf/ MetaFont sources for the Emmentaler and Aybabtu fonts po/ Translations for binaries and end-user scripts ps/ PostScript library files python/ Python modules, MIDI module auxiliar/ Python modules used by maintenance scripts or in the build process scm/ Scheme sources for LilyPond and subroutine files scripts/ End-user scripts auxiliar/ Scripts for maintaining the sources and scripts for the build process that need not be built build/ Scripts for the build process that must be built stepmake/ Generic make subroutine files tex/ TeX and texinfo library files vim/ Vi(M) LilyPond mode and syntax coloring