portmidi

Name Category Description
audacity media-sound Free crossplatform audio editor
csound media-sound Sound design and signal processing system for composition and performance
denemo media-sound A music notation editor
hatari games-emulation Atari ST emulator
hydrogen media-sound Advanced drum machine
mido dev-python MIDI Objects, a library for working with MIDI messages and ports
musescore media-sound WYSIWYG Music Score Typesetter
odamex games-engines Online multiplayer free software engine for DOOM
prboom-plus games-fps An enhanced clone of the classic first-person shooter Doom

Thank you!