Former 'Guitar Hero' developer Harmonix has added a song from the show based on the character Timmy's brief rock band career. The announcement was made nearly a week after the broadcast.
All the songs mentioned or heard are from 'Guitar Hero II'. However, the episode uses official tracks while the real game uses cover tracks due to licensing issues.
The Rehab Hero game features Paris Hilton on the cover of the box.
The title is a reference to the video game Guitar Hero which is featured in this episode
The recording industry executive is based on two entertainment moguls, one fictional and one real. His appearance is based on Colonel James from the 1997 film Boogie Nights (white combed hair, sunglasses, ascot tie, white shirt, gray suit), while the way he speaks is very similar to SNL creator Lorne Michaels.