The name of Apple is always also connected to the music. For this reason that most users who choose an Apple product, it's a smartphone or a tablet, they liked features such as music sharing via WiFi. This function Home Sharing has been removed with iOS 8.4, but according to Eddy Cue is only a temporary suspension.
Home Sharing, in essence, allows you to share your iTunes music library over Wi-Fi between different iOS devices. Since the function has been abolished, even Apple has removed any reference to music in the document dedicated support service.
From what we read from this tweet of Eddy Cue, fortunately, it was only a temporary suspension of the service will continue to be as active as iOS 9.