I am having the same problem, missing the percussion library. I uninstalled and reinstalled the updated version of ez drummer 2 twice and the library is still missing. Do I need to get temporary fix patch I read in previous posts? If so please send it to me. Thanks.
Reply To: Percussion not installed, Ezdrummer 2 and Macos Catalina version: 2.1.8 Operating system: macOS Monterey (12)