Trying to access the wave files directly reveals: Access to model destined/hurston-1 is restricted and you are not in the authorized list. Visit https://huggingface.co/destined/hurston-1 to ask for access.

You can try this link to the huggingface spaces page https://huggingface.co/spaces/destined/hurston-1

I also have a demo phone line 678.940.8800 with a few of the voices