Apple music
How do I cancel Apple music subscription ????
MacBook Air, iOS 9.3.3
Manage your Apple Music membership - Apple Support - https://support.apple.com/HT204939 - "Learn how to change from an Individual membership to a Family membership, turn off automatic renewal, or join Apple Music later."
How to cancel apple music subscription - https://discussions.apple.com/thread/7111504 - this only turns off the autorenewal process. If you must have the entire subscription canceled before the trial period ends you will have to use the contact link in Neil's post in Neil's post in the topic I link.