Yes Guitar Hero fans worldwide, word on the Internet is that Activision has made it official: the demo for Guitar Hero III: Legends of Rock will debut on Tony Hawk's Proving Ground. Some excerpts from the respective press release to back it all up can be found below, along with an interview piece from Dusty Welch, head of publishing at RedOctane.

Guitar Hero fanatics prepare to get the first fix of the upcoming Guitar Hero III: Legends of Rock video game demo with the launch of Activision, Inc.'s Tony Hawk's Proving Ground, slated to ship to stores on October 9. Players who purchase the Tony Hawk's Proving Ground game for the Xbox 360 video game and entertainment system from Microsoft will get an exclusive two week head start on experiencing the demo to this year's hottest music based video game before its release on Xbox LIVE Marketplace, reads the press release as I found via TeamXbox.com

"Music is such a huge part of skateboarding culture and pairing the Guitar Hero III: Legends of Rock demo with Tony Hawk's Proving Ground makes perfect sense," said Dusty Welch, head of publishing at RedOctane. "We're excited to bring together two highly anticipated games and give fans their first chance to rock out with the franchise that's taken the world by storm."

According to the report making big waves around gaming sites, the demo features five tracks set in the Desert Rock Tour venue. Here they are:

- Lay Down (by Priestess)
- Even Flow (by Pearl Jam)
- The Metal (by Tenacious D)
- Hit Me with your Best Shot (as made famous by Pat Benatar)
- Rock You like a Hurricane (as made famous by Scorpions)

This is all for now, but stay tuned to find out the exact day Tony Hawk's Proving Ground launches this autumn. The game is set for a simultaneous release across the following platforms: DS, PS2, PS3, Wii, X360.