MuseScore is an open source and free music notation software. For support, contribution, and bug reports visit MuseScore.org. Fork and make pull requests!
- WYSIWYG design, notes are entered on a "virtual notepaper"
- TrueType font(s) for printing & display allows for high quality scaling to all sizes
- Easy & fast note entry
- Many editing functions
- MusicXML import/export
- MIDI (SMF) import/export
- MuseData import
- MIDI input for note entry
- Integrated sequencer and software synthesizer to play the score
- Print or create pdf files
MuseScore is licensed under GPL version 2.0. See LICENSE.GPL in the same directory.
aeolus: Clone of Aeolus. Disabled by default in the stable releases. See http://dev-list.musescore.org/Aeolus-Organ-Synth-td7578364.html. Kept as an example of how to integrate with a complex synthesizer.
assets: Graphical assets, use them if you need a MuseScore icon. For logo, color, etc., see https://musescore.org/en/about/logos-and-graphics.
awl: Audio Widget Library, from the MusE project.
build: Utility files for build.
bww2mxml: Command line tool to convert BWW files to MusicXML. BWW parser is used by MuseScore to import BWW files.
demos: A few MuseScore files to demonstrate what can be done.
fonts: Contains fontforge source (sfd) + ttf/otf fonts. MuseScore includes the "Emmentaler" font from the Lilypond project.
libmscore: Data model of MuseScore.
mscore: Main code for the MuseScore UI.
msynth: Abstract interface to Fluid + Aeolus.
mtest: Unit testing using QTest.
omr: Optical music recognition.
share: Files moved to /usr/share/... on install.
test: Old tests. Should move to mtest.
vtest: Visual tests. Compare reference images with current implementation.
thirdparty: Contains projects which are included for convenience, usually to integrate them into the build system to make them available for all supported platforms.
thirdparty/dtl: Used for the score comparison tool. Diff Template Library.
thirdparty/singleapp: Clone from Qt Single Application.
thirdparty/portmidi: Clone from PortMidi.
thirdparty/beatroot: It's a core part of BeatRoot Vamp Plugin by Simon Dixon and Chris Cannam, used in MIDI import for beat detection.
thirdparty/qt-google-analytics: Clone from qt-google-analytics.
Read the developer handbook for a complete build walkthrough and a list of dependencies.
If using git to download repo of entire code history, type:
git clone https://github.com/musescore/MuseScore.git cd MuseScore
Otherwise, you can just download the latest source release tarball from the Releases page, and then from your download directory type:
tar xzf MuseScore-x.x.x.tar.gz cd MuseScore-x.x.x
To compile MuseScore, type:
If something goes wrong, then remove the whole build subdirectory with
make clean and start new with
To start MuseScore, type:
The Start Center window will appear on every invocation until you disable that setting via the "Preferences" dialog.
To install to default prefix using root user, type:
sudo make install
A debug version can be built by doing
make debug instead of
To run the debug version, type:
The new script testing facility is also available to create your own automated tests. Please try it out!
./hooks/install.sh to install a pre-commit hook that will format your staged files. Requires that you install
If you have problems, please report them. To uninstall, run