In order to make some features work you will need to register for several API Keys. See sections below for instructions on how to get them. Once you've got your keys, enter them in corresponding fields in admin → settings → automation page.
Some keys are included by default with BeMusic installation, however you will want to change them with your own to avoid rate limit issues.
This key is optional. It's needed to enable last.fm genres provider. To get last.fm api key, register for an account here, once registered you'll be able to see your api key, simply enter it in admin → settings → automation → Last.fm API Key field.
To get these keys, login or register here, accept all the terms, then create a new application at this url (you can enter anything in name and description fields), then you will be able to see your keys, simply enter them in admin → settings → automation → Spotify ID and Spotify Secret fields.