Could the screenshot above be a new source of revenue for Activision? CEO Bobby Kotick seems to think so. Well, that's what he told the investors at any rate.

According to Gamasutra, Kotick announced during an earnings report that the user-created songs made with GH Studio (pictured above) in Guitar Hero: World Tour might be a source of revenue for the company.

Kotick says that there are now 25,000 user generated tunes that have been created for the game, and projected "up to 100,000 songs" by the end of this year.

"The ability to offer these songs on a subscription basis may very well result in the newest subscription opportunity in our portfolio," he said.

I hope investors know a bit more about the game than what Kotick tells them. They can, for instance, buy a copy of Guitar Hero: World Tour and go into the GHTunes interface, like I just did. They'll find a wasteland of "customsongs" that users didn't even bother to rename before uploading them and maybe the odd WANTACHIEVEMENT. Among the top-rated songs are various bits of garage band metal I can't imagine anyone would care to play, much less pay for.

At least GHTunes isn't all Final Fantasy and Mario themes like it was the first few days after Guitar Hero World Tour came out. If you're vigilante, you might be able to find some licensed music before Activision yanks it. For instance, as of this writing, there's a horrible cover of the theme to The Terminator. If you hurry, maybe you can get it. You can your friends can rock out to that. I managed to grab some Nirvana riffs a few days ago. There was a half-hearted flute intro to "Stairway to Heaven", but the three-minute time limit on user-made songs means it's going to be tough to do any epic rock ballads. So far, everything I've heard has that chintzy Casio quality.

So, hey Activision investors, don't believe the hype. None of us is going to pay a nickel to subscribe to this junk.