MusE is a MIDI/Audio sequencer with recording and editing capabilities written originally by Werner Schweer now developed and maintained by the MusE development team. MusE aims to be a complete multitrack virtual studio for Linux. It is published under the GNU General Public License.
Visit the MusE web site at: https://muse-sequencer.github.io/
Most Linux distributions include MusE ready to install, check your package manager.
Stable source code releases are here. Or one of the git branches can be cloned, built, and installed.
Installation instructions are in the README file.
These and other important documents, READMEs, and addendums are in the src directory.
The official MusE Manual (work in progress) has migrated to the wiki and can be found here.