I do this. Its not cheap (12$ month), but it comes with "youtube music", which I'm starting to use a bit. like all things google, its a little difficult to figure out exactly what is going on.
How much is a cinema ticket these days?
The ad supported web has led to so many people feeling entitled to consume content for free. People have gone so far to feel that the ads themselves are the problem, without realizing that without them, you would have to begin to pay the real cost of the service.
Funny how so many people find watching a single movie (lets say you watch cheap, $8) for two hours acceptable, but unlimited access to billions of hours of content for $10 is unacceptable.