To stream background music across multiple venues, you need to have a sinlge subscription for one Place. For example, you have two pubs in your city, i.e., two Places on Moodby Play. This means that you need two subscriptions for each pub because they are located at different addresses.
Or imagine you have a big hotel with several zones such as a pool, lobby, restaurant, reception, etc. You can pack all these areas into one Place on Moodby Play. However, with one Place, it's impossible to stream different music in different zones of your venue.
You can also create standalone Places for separate areas to play, say, relaxing music in the lobby and Billboard Hot 100 in the bar.