We've been hearing rumours about a Youtube music subscription and 2 weeks ago, we found out it would be called Youtube MusicKey. Ee knew that Google Play Music subscribers would be given access to the MusicKey service but we didn't know when. Now we see this tweet:

Just one more shot at competitors. This is another feather that differentiates Google's hat and may be the drop that pushes some customers from Spotify to Google Play Music All Access (or Youtube MusicKey).