Juas, espera que voy a llamar a TODO UN EXPERTO!!! ^^x
supongo que te refieres a mi xD
Quique, efectivamente, es un problema que se da en las versiones de PS3 y X360, pero no te preocupes, porque han lanzado ya un parche en USA que soluciona el tema, te dejo la info oficial de la actualizacion...
Como puedes ver al principio de la noticia, el parche se ha lanzado a nivel mundial para 360 y en USA para ps3, asi que cuando le de la gana a sony lo pondran en europa, sino quieres esperar, puedes probar a bajarte el parche del bazar americano, imagino que con logarte con una cuenta USA deberia valer
Guitar Hero? III: Legends of Rock Update Is Live For Xbox 360 Worldwide and PS3 North America!!
Neversoft and Activision/RedOctane have been working hard on a free update for Guitar Hero III, which is available now on the Xbox 360 Worldwide and PS3 North America! The PS3 European and Australian update has been submitted to Sony, and we will provide further updates as soon as they become available.
The update to Guitar Hero III game will include the following updates, and can be accessed by playing the game while connected to Xbox Live or Sony PSN.
* Improve Online Quick Match results and reduce "Failed to Connect to Server" messages.
* Introduce calibration screen improvements, helping users with high lag AV systems, and Playstation 3 users with Dolby Digital enabled.
* Add the Co-Op Quickplay mode for Playstation 3 users.
* Enable the Hyperspeed cheat to work in online games.
* Include various stability improvements and fixes.