The is a built-in macOS utility that creates virtual MIDI buses to route MIDI data between different applications on the same computer. It acts like a "virtual MIDI cable," allowing one program (like Sibelius) to trigger sounds or actions in another (like Ableton Live or MainStage). 🛠️ Step 1: Activate the IAC Driver
Once the driver is online, it will appear as a selectable MIDI Input/Output device in your music software. Example: Routing Sibelius to Ableton Live Using the IAC Driver with Ableton Live Iac Driver
The driver is part of the system but is disabled by default. The is a built-in macOS utility that creates