(Ensure you have connected your headphones before opening Sibelius.)

How To Change Audio Driver On Sibelius

1. Open Sibelius with headphones connected
2. Click 'play' on the top taskbar
3. Go to the far right of the bar and look for 'Setup'
4. Click the arrow next to the setup name
5. Click 'Audio Engine Options…'
6. Next to 'interface', select your headphones