Whereas the launch trailer for the first Guitar Hero DS resembled High School Musical with its spontaneous dancing, this trailer for the sequel--Guitar Hero On Tour: Decades, due this Sunday--suggests the game could aid in finding your significant other.

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Strong sales of Vicarious Vision's DS Guitar Hero entry, a game the studio freely admits was never planned or requested, have set new sales records for publisher Activision.

In the week following its June 22 release, Guitar Hero: On Tour sold over 300,000 units in North America. That feat, Activision claims, makes it the company's largest Nintendo DS software launch in North America "by more than a factor of eight."

The company further boasted that the strong debut ranks among its "top 5 best-selling launches of any title on any platform," though exact details were not provided.

From publisher Activision comes this latest trailer for Vicarious Visions' peripheral-equipped Guitar Hero: On Tour, showing how you too can convert total strangers into lifelong friends by rocking out on your Nintendo DS in a park.

Bundled with the Guitar Grip peripheral at a $49.99 price point, Guitar Hero: On Tour hits store shelves this Sunday.

A hardware bundle containing a Nintendo DS and Guitar Hero: On Tour will be available at North American retailers when the game debuts on June 22, Nintendo has revealed.

At present, the bundle marks the only offering of the silver-black DS Lite in North America. No price was given, though the DS hardware is regularly priced at $129.99, with the Activision-published, Vicarious Visions-produced game selling at $49.99.

Controlled through a "Guitar Grip" add-on that plugs into the system's Game Boy Advance cartridge slot, Guitar Hero: On Tour has players strumming the touch screen in beat with over 25 songs.

For a look at the song list and more on the game, which only came about as the result of DS-related experiments, check out our enthusiastic hands-on preview and interview.

No one asked Vicarious Visions to make Guitar Hero for the Nintendo DS. No one at studio owner Activision, fellow Activision subsidiary RedOctane, or Nintendo believed it was even possible.

"People thought it was ludicrous," Vicarious CEO Karthik Bala told me at a Guitar Hero event earlier this week. "It was never in the plan to do that."

As Bala puts it, the whole thing came out of the Vicarious staff playing around to "see if it was even possible to do a really good music rhythm game on a handheld." Twenty-three prototypes and a few cardboard guitars later, a breakthrough came in the form of a "crazy Frankenstein GBA cartridge" wired with fret buttons.

Activision and RedOctane thought it was insane. And when the first prototype was presented to Nintendo, Bala says they were stunned.

But the really, really amazing part? For all the unwieldy-looking peripherals and wacky ads, the Nintendo DS entry, Guitar Hero: On Tour, really is Guitar Hero. It works. It's fun. In fact, I think it does some things better than the console editions... Read more

Wondering how you'll be rocking out with the Nintendo DS version of Guitar Hero? This crazy video explains all. Guitar Hero: On Tour is expected late June. Registered users can use the HD Stream.

Publisher Activision has issued five new screenshots of Guitar Hero: On Tour, further illustrating what Guitar Hero looks like when it's running on a Nintendo DS.

Among the shots are glimpses of the game's local wireless multiplayer and its use of the DS' microphone to blow out on-stage fires.

According to GameSpot, the game will feature over 25 tracks, including OK Go's "Do What You Want," Blink 182's "All the Small Things," No Doubt's "Spiderwebs," Jet's "Are You Gonna Be My Girl," Twisted Sister's "We're Not Gonna Take It," and an unknown Nirvana song.

Developed by Vicarious Visions and utilizing a special guitar grip add-on that plugs into the DS' Game Boy Advance cartridge slot, Guitar Hero: On Tour is expected to arrive this summer.

Following up on yesterday's announcement, publisher Activision has issued two teeny-tiny screenshots of the first Guitar Hero entry on the Nintendo DS, along with a piece of character art and clearer images of the guitar grip controller. Developed by Vicarious Visions, Guitar Hero: On Tour utilizes a special guitar grip that plugs into the DS's Game Boy Advance cartridge slot, with players strumming via the touch screen and a pick-shaped stylus.

Guitar Hero: On Tour is expected to release this summer. No price point has been announced for the game, which will feature tracks from Nirvana, OK Go, and No Doubt.

Activision has revealed the long-rumored DS rendition of its Guitar Hero franchise and its accompanying peripheral, IGN reports.

Entitled Guitar Hero: On Tour, the game utilizes a peripheral called the Guitar Grip to recreate the Guitar Hero experience. The peripheral plugs into the Nintendo DS's Game Boy Advance slot on the bottom of the system and features four buttons versus the traditional guitar controller's five.

With the peripheral in place, the DS is held in a book-style orientation in which the touch screen is used to strum. The Guitar Grip also features a strap to secure the peripheral and system to gamers' sweaty mitts.

Guitar Hero: On Tour will feature more than 20 licensed songs from bands such as Nirvana, OK Go, and No Doubt, along with the usual slew of unlockable guitarists and other bonuses that gamers expect from the series. The game is developed by Vicarious Visions, and is scheduled for release this summer.

The announcement confirms Guitar Hero: On Tour as one of two Guitar Hero titles revealed by Activision to be due out before the summer, the other being the recently announced Guitar Hero: Aerosmith. A third Guitar Hero title, which is rumored to be Guitar Hero IV, is scheduled for release in the fall.