Speaking at Activision Blizzard’s Analyst Day, company CEO Mike Griffith revealed that they are considering a subscription service to deliver new songs monthly for Guitar Hero.

“Looking even further out, we’re exploring new models, like an annual pass subscription where players can subscribe and get a certain number of songs downloadable each month,” Griffith explained.

He wouldn’t offer any further details, such as a price or start date for such a program. It comes as part of the company’s plans to monetize the Guitar Hero franchise, which they hope to push down your throat by 2010.

Detailing just how popular the franchise is, Griffith revealed that Guitar Hero: Aerosmith “deliver 10x the revenue compared to Aerosmith’s most recently released CD in 2004.”