I don’t see your public name on shared vault, you must have been storing it in your own local vault I guess, and that’s why you cannot fetch the song file or safe://test.
You need to make sure you place the
vault_connection_info.config in the right place as detailed in the OP, and then have your safe_auth restarted so it connects to shared vault to login and/or create an account, then you should authorise your safe_cli so it then connects to the shared vault also.
There was an issue with packaging the browser unfortunately, we are investigating and trying to solve it ASAP, in the meanwhile you can build it from source code from this branch https://github.com/maidsafe/safe_browser/tree/NewDay,
yarn and then launch it with