What is “rtmidi” Package?

C++ classes that provide a common API for realtime MIDI input/output
For more details: https://www.music.mcgill.ca/~gary/rtmidi/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install rtmidi.

  brew install rtmidi

Now, use rtmidi!