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
If the MIDI window doesn't appear, go to the top menu and select . Locate the IAC Driver icon (it may be grayed out). Double-click the icon to open IAC Driver Properties . Check the box Device is online to activate it. 🔌 Step 2: Configure Ports (Buses) Iac Driver
Double-click the port name (e.g., "IAC Bus 1") to give it a descriptive name like "Ableton Bridge". Save: Click Apply at the bottom of the window. 🎹 Step 3: Route MIDI Between Apps The is a built-in macOS utility that creates
