We also have commercial radio stations that play disposable child-like pop music (combined with horrible ads and drone-like presenters) that is well suited to 13 year old girls but still becomes popular with the masses. So there is something for everyone.
I don't support SOPA (not that it counts in Australia, or anywhere else for that matter) but I think that artists should get some money from somewhere for their efforts. People listen to the radio free but they still have the option of buying the album. Downloading the album free makes that option redundant.
In Australia people typically pay $40 - $70 a month for their internet which - if they use the allocated capacity - they are using to pirate music, movies and TV without ads. I'd prefer to see part of that money going to an artist fund rather than the ISPs and broadband resellers.
[1] triplej.net.au and www.abc.net.au/classic/