The on-demand streaming service gives subscribers the opportunity to select tunes from a library of 30 million songs. While there is no ad-supported free version of that service, those with an Apple ID can listen to Beats 1 for free, listen for free to other Apple radio stations with limited skips, and access Connects without a charge. The latter is a social-media "bulletin board" where artists can connect and socialize with their fans.
The iOS 8.4 update is being sent out OTA, and is also available through iTunes.
With iOS 8.4 being pushed out OTA, users receive a new Music app containing Apple Music