For all pay monthly customers but not PAYG. Starts 19th of July. Not just for new customers which is a refreshing change.
Text MUSIC to 150 to get things started.
(If you've previously had an Apple Music trial from EE it will instruct you to text STREAM to 150)http://ee.co.uk/why-ee/apple-music
(don't click link above as it's redirecting to Three for some unknown reason)
****If you've previously had the 6 months trial from EE you will only receive the free streaming, not another 6 month subscription (thanks NIgelK)****