Re: NVDA Audio Themes Add On
The only thing I can find that uses Audio Theme as part of it's name is the NVDA Audio Themes Add-On. Activate that link and you'll be taken to the GitHub page for the developers releases that can be downloaded. The latest appears to be a beta (and the one before it was, too), v6.0b2, from December 2019.
Here's the direct link to download the add-on package file: audiothemes-6.0b2.nvda-addon
Brian - Windows 10 Pro, 64-Bit, Version 1909, Build 18363
Power is being told you're not loved and not being destroyed by it.