I'd like to know more about being able to use your own list of MP3 tracks in-game.
What it sounds like is that Lips effectively creates a full blown Kareoke players out of the 360, which would is basically the ultimate for sing along games.
The make your own music video and upload it feature of Sing Star is a close second, but in terms of infinite replayability, the ability to access user collections in-game trumps it.
The only thing that seems odd about this is that it effectively means a significant chunk of the current rhythm game (GH, SingStar, RB, etc) revenues, being additional downloaded tracks for a fee seems unlikely, or at least unnecessary, unless licensed music videos are made available to sing along to. Whether most would pay $2 per video track is questionable when they could just use their own uploaded music for no additional cost.
It's great for the consumer, but I can't see why this clear revenue generating feature wouldn't be implemented.
Exploring this open platform concept a bit further makes me wonder the plausibility of having other music rhythm games with the ability to allow players to play along to their own uploaded or shared music collections.
If code can be made to recognize the separate tracks of any song (guitar, bass, drum, vocal) and generate in real time an approximation of the rhythm of the notes into on-screen cues (like the current music games), it would effectively allow players of games like Rock Band to play along to any music tracks they made available to the game as well, which would make the games infinitely expandable.
Reasons why this wouldn't be done would be the lack of reason to continue buying the sequels and of course, buying the hand picked tracks off network services for fees.
But it would be pretty cool.
