Thank you for bringing this issue to our attention. We’ll add the missing assets to the Learning Resources section of our downloads page.
In the mean time, I recommend checking out the Celeste project made by Power Up Audio. It contains a wide variety of interesting FMOD Studio content, and if you own a copy of the game, you can connect it to FMOD Studio via live update and hear any changes you make in the FMOD Studio project live as you play the game.