Just yesterday, Apple released iOS 8.4 which includes a newly revamped Music app and Apple’s most talked about on-demand streaming music service, Apple Music.
iOS 8.4 is available to download now over-the-air. Once install completes, you can then try out the all new Apple Music app and service. It comes with Beats1, a worldwide radio station.
You can get iOS 8.4 by navigating to Settings > General > Software Update, on your iOS device.