Guitar Hero Live’s GHTV mode – the mode that let you buy premium shows to play along to – shuts down on 1st December 2018, Activision has announced.
You can still play Guitar Hero Live mode in the console versions of the game.
On 1st June 2018, iOS versions of Guitar Hero Live will be pulled from the app store. If you’ve already got it installed on your device you can continue to play, but if you update your iOS software the app may no longer work.
Source: Eurogamer Guitar Hero Live's GHTV mode shuts down in December