Starting macOS Catalina and later, the Guitar-2-Bass Modulator audio unit and VST plug-in won’t work natively. You will need to wrap the 32-bit version inside any 64-bit digital audio workstation using external software (specially on Big Sur and onwards). Keep in mind more than six years have passed since its release on 2015, so no online support will be offered anymore. You can now download it for free!
All the main singles from 2016 are being published the following month in Spotify, Deezer, and Apple Music. A compilatory “15th Anniversary Singles Collection” including songs from 2005 will appear (possibly as a Deluxe Edition) on iTunes Store and Amazon!