I would have SWORN that I tried with no success. That said, I was only using Preview and even after making the change, it was still failing. It wasn’t until I published to HTML that it finally worked. (insert eyeroll here)
I’m setting it so that all the actions are attached to the audio file so I can create a library object to add more easily. With this new controller, my audio add steps went from 10-15 down to 2.