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Upon reading the Apple Music Best Practices for App Developers and the Apple Music API FAQ, I am confused whether developers are able to use the Apple Music API/MusicKit to create apps that can generate revenue. Here is the specific verbiage that I located:Apple Music Best Practices for App Developers"Moreover, your app may not require payment or indirectly monetize access to the Apple Music service (e.g. in-app purchase, advertising, requesting user info, etc.)."Apple Music API FAQWhat are some common integrations of the Apple Music API that are inappropriate and would be rejected by App Review?Apps forcing an in-app purchase, advertising, requesting user information to monetize or gate access to Apple Music API will be rejected.My main questions are:Are there acceptable types of advertising permissible under these guidelines? If yes, can some general examples be provided.Are there acceptable types of subscription/in-app purchases permissible under these guidelines? If yes, can some general examples be provided.