Just as with modeling, all audio in Core is created within the Core Editor itself.
Core provides creators with a cornucopia of sound effects, instruments, and dynamic background music tracks to kitbash together to make all new and unique audio.
This is out how it works:
Kitbashing Sound Design: Audio in Core
How to add Audio to your Core Games? Or improve it
Core Games Audio Tutorial - Learn How To Use Audio In Your Games
For further information check out our Audio in Core documentation for more information on all things audio!