Context: YouTube Red is YouTube's premium subscription service. It offers advertising-free streaming, access to exclusive content, background and offline video playback on mobile devices, and access to the Google Play Music "All Access" service. YouTube Red was originally announced on November 12, 2014, as "Music Key", a subscription music streaming service, and was intended to integrate with and replace the existing Google Play Music "All Access" service. On October 28, 2015, the service was re-launched as YouTube Red, offering ad-free streaming of all videos, as well as access to exclusive original content.

Question: What is youtube red?
Answer: YouTube's premium subscription service

Question: When was youtube red originally announced?
Answer: November 12, 2014

Question: What was the original title of youtube red?
Answer: Music Key

Question: When was youtube red re-launched with its added features?
Answer: October 28, 2015

Question: What service was "music key" intended to replace?
Answer: Google Play Music "All Access"

Question: What is YouTube Premium?
Answer: Unanswerable

Question: What does YouTube Premium offer?
Answer: Unanswerable

Question: What was originally announced on November 14, 2012?
Answer: Unanswerable

Question: What was YouTube Premium originally called in 2014?
Answer: Unanswerable

Question: What was relaunched on October 12, 2015?
Answer: Unanswerable