The subscription for the ad-free service will start at $7.99
per month and will allow users to watch videos offline and
listen to music while other apps are working.
YouTube Music Key will be first available through an invite to
its "biggest music fans", who can try out the beta version for
six months at no charge, YouTube said in its blog.
The fee will also include a subscription to Google Play Music.
(Reporting by Anya George Tharakan in Bangalore; Editing by Don
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