
If you work as a musician or have a dedicated audio workstation, do not upgrade to major macOS releases until music technology manufactures have tested their drivers.See Apple’s help page on Aggregate Devices for help. This increases the number of audio inputs and outputs and reduces the chance of any configuration-related errors. Mix multiple audio interfaces by creating an Aggregate Device.
MACBOOK MUSIC KEYS NOT WORKING DRIVER
If you see any errors like “Error in the sound driver of Core Audio,” delete the profile and restart the app.

Catalina: Every third-party audio plugin should get “notarized” by Apple.Also, output audio devices vanished occasionally and only appeared upon restarting. Big Sur: Major issues with the Bluetooth connectivity when trying to pair audio devices to Macs.
MACBOOK MUSIC KEYS NOT WORKING UPDATE
Some of the common audio-related update issues include: USB-related audio issues in 2018 Macs were quite common in discussion forums. While most developers are quick to release app updates, both the hardware and operating system can be a major headache. Major upgrades should not be taken lightly, you must have a backup of audio files. Musicians and sound engineers are usually particularly cautious of this because there are often hardware and software incompatibilities with a new release of macOS. Third-party plugins that integrate with your Mac can cause the sound to not work properly. Sound Not Working Due to Major Updates and Third-Party Apps
