PortMidi v.217 /Engine/Source/ThirdParty/portmidi/ 2016-06-14T11:48:36.6906991-04:00 Allows content creators to tune any numerical property of any Object in UE4 at runtime using standard off-the-shelf Midi hardware It's a much cleaner and easier to understand API than the built in Windows Midi API and provides some auto-recovery functions for things like input buffer overruns and the like https://sourceforge.net/projects/portmedia/ Licensees Git P4 /Engine/Source/ThirdParty/Licenses/PortMidi_License.txt