As you may or may not already know, Apple launched a “business” version of its music streaming service in partnership with PlayNetwork.
www.macrumors.com
Since then, nothing has been mentioned about it. The dedicated application is still available in the App Store, but the webpage used to activate it is now offline.
apps.apple.com
Has the service been silently abandoned?

Apple Testing 'Apple Music for Business' Plans at Retailers Like Harrods and Levi's
Apple has been trialing a new version of Apple Music, dubbed Apple Music for Business, which will provide retail partners with access to streaming...

Since then, nothing has been mentioned about it. The dedicated application is still available in the App Store, but the webpage used to activate it is now offline.

PlayNetwork Business Music
PlayNetwork Business Music enables customers of PlayNetwork's commercial music service to use this app as either a music player or as a remote control device for the PlayNetwork CURIOPlayer Z8. The app is only available to PlayNetwork customers. A device key is required to use the app. Please...

Has the service been silently abandoned?