Product Description:
Utilizing the revolutionary Guitar Hero Guitar Grip peripheral that fits snugly into the Nintendo DS, and a unique Guitar Hero pick-stylus; Guitar Hero: On Tour brings a new dimension to handheld gaming and gives fans the ability to shred along with their favorite tunes with complete portability. It allows gamers to take the rock-solid Guitar Hero experience wherever they go. The soundtrack features the most diverse set list of master tracks ever offered in a Guitar Hero game, including classic rock, alternative and pop favorites. Fans can prove their shredding skills on the most diverse set list of master tracks ever offered on a Guitar Hero game, including classic rock, pop and alternative favorites such as Nirvana, OK Go and No Doubt
Amazon.com:

Handheld gamers can now unleash their inner rock star with Guitar Hero: On Tour for Nintendo DS. You can enjoy the unique Guitar Hero experience and show off your shredding skills with a diverse set of tracks that encompass classic rock, alternative and pop hits. The game comes with the revolutionary Guitar Hero Guitar Grip that fits into the DS and brings new thrills to handheld gaming.