Rock Band on the psp? the ds had a good idea but it didnt work very well... the psp... well u just use buttons
The songs are great there's no doubt about that. I recognize many of the songs and it's really nice to play the game while listening to move along or ABC.
There's no multiplayer... which is weird. Although the game play would be different if it was co-op there's no reason why there shouldn't be vs. At least you can download songs... for $1.99 each.
Overall the game is not worth $40. I'm going to say $25 or maybe $30 max.