VGChartz is reporting that Sony will be releasing a special update to the PlayStation Store later tonight. A new song for Guitar Hero III has been released and the content is free, but only available for a limited time.
The song is Aerosmith's "Dream On".
This update has been made available due to the announcment of the new Guitar Hero game, Guitar Hero III: AeroSmith which is a game similar to Rock the 80's on the PS2.
For all PlayStation 3 owners with Guitar Hero III this download will added to the store at 11:59p.m. PST and will only be available for till February 18th, 2008.